diff --git a/CHANGELOG.md b/CHANGELOG.md
index db73bb629..8ba1594ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].
 -   `clr.AddReference` may now throw errors besides `FileNotFoundException`, that provide more
 details about the cause of the failure
 -   `clr.AddReference` no longer adds ".dll" implicitly
+-   `PyIter(PyObject)` constructor replaced with static `PyIter.GetIter(PyObject)` method
 
 ### Fixed
 
diff --git a/src/runtime/pyansistring.cs b/src/runtime/pyansistring.cs
index 185cc6c94..8a27104b1 100644
--- a/src/runtime/pyansistring.cs
+++ b/src/runtime/pyansistring.cs
@@ -17,6 +17,16 @@ public PyAnsiString(IntPtr ptr) : base(ptr)
         }
 
 
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsStringType(o))
+            {
+                throw new ArgumentException("object is not a string");
+            }
+            Runtime.XIncref(o.obj);
+            return o.obj;
+        }
+
         /// <summary>
         /// PyString Constructor
         /// </summary>
@@ -25,14 +35,14 @@ public PyAnsiString(IntPtr ptr) : base(ptr)
         /// An ArgumentException will be thrown if the given object is not
         /// a Python string object.
         /// </remarks>
-        public PyAnsiString(PyObject o)
+        public PyAnsiString(PyObject o) : base(FromObject(o))
         {
-            if (!IsStringType(o))
-            {
-                throw new ArgumentException("object is not a string");
-            }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
+        }
+        private static IntPtr FromString(string s)
+        {
+            IntPtr val = Runtime.PyString_FromString(s);
+            PythonException.ThrowIfIsNull(val);
+            return val;
         }
 
 
@@ -42,10 +52,8 @@ public PyAnsiString(PyObject o)
         /// <remarks>
         /// Creates a Python string from a managed string.
         /// </remarks>
-        public PyAnsiString(string s)
+        public PyAnsiString(string s) : base(FromString(s))
         {
-            obj = Runtime.PyString_FromString(s);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
diff --git a/src/runtime/pydict.cs b/src/runtime/pydict.cs
index 7ff7a83c8..ade873f7a 100644
--- a/src/runtime/pydict.cs
+++ b/src/runtime/pydict.cs
@@ -29,9 +29,8 @@ public PyDict(IntPtr ptr) : base(ptr)
         /// <remarks>
         /// Creates a new Python dictionary object.
         /// </remarks>
-        public PyDict()
+        public PyDict() : base(Runtime.PyDict_New())
         {
-            obj = Runtime.PyDict_New();
             if (obj == IntPtr.Zero)
             {
                 throw new PythonException();
@@ -47,14 +46,13 @@ public PyDict()
         /// ArgumentException will be thrown if the given object is not a
         /// Python dictionary object.
         /// </remarks>
-        public PyDict(PyObject o)
+        public PyDict(PyObject o) : base(o.obj)
         {
+            Runtime.XIncref(o.obj);
             if (!IsDictType(o))
             {
                 throw new ArgumentException("object is not a dict");
             }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
         }
 
 
diff --git a/src/runtime/pyfloat.cs b/src/runtime/pyfloat.cs
index d6fb55f26..b07b95de1 100644
--- a/src/runtime/pyfloat.cs
+++ b/src/runtime/pyfloat.cs
@@ -4,7 +4,6 @@ namespace Python.Runtime
 {
     /// <summary>
     /// Represents a Python float object. See the documentation at
-    /// PY2: https://docs.python.org/2/c-api/float.html
     /// PY3: https://docs.python.org/3/c-api/float.html
     /// for details.
     /// </summary>
@@ -31,14 +30,8 @@ public PyFloat(IntPtr ptr) : base(ptr)
         /// ArgumentException will be thrown if the given object is not a
         /// Python float object.
         /// </remarks>
-        public PyFloat(PyObject o)
+        public PyFloat(PyObject o) : base(FromObject(o))
         {
-            if (!IsFloatType(o))
-            {
-                throw new ArgumentException("object is not a float");
-            }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
         }
 
 
@@ -48,12 +41,36 @@ public PyFloat(PyObject o)
         /// <remarks>
         /// Creates a new Python float from a double value.
         /// </remarks>
-        public PyFloat(double value)
+        public PyFloat(double value) : base(FromDouble(value))
+        {
+        }
+
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsFloatType(o))
+            {
+                throw new ArgumentException("object is not a float");
+            }
+            Runtime.XIncref(o.obj);
+            return o.obj;
+        }
+
+        private static IntPtr FromDouble(double value)
         {
-            obj = Runtime.PyFloat_FromDouble(value);
-            PythonException.ThrowIfIsNull(obj);
+            IntPtr val = Runtime.PyFloat_FromDouble(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
         }
 
+        private static IntPtr FromString(string value)
+        {
+            using (var s = new PyString(value))
+            {
+                IntPtr val = Runtime.PyFloat_FromString(s.obj, IntPtr.Zero);
+                PythonException.ThrowIfIsNull(val);
+                return val;
+            }
+        }
 
         /// <summary>
         /// PyFloat Constructor
@@ -61,13 +78,8 @@ public PyFloat(double value)
         /// <remarks>
         /// Creates a new Python float from a string value.
         /// </remarks>
-        public PyFloat(string value)
+        public PyFloat(string value) : base(FromString(value))
         {
-            using (var s = new PyString(value))
-            {
-                obj = Runtime.PyFloat_FromString(s.obj, IntPtr.Zero);
-                PythonException.ThrowIfIsNull(obj);
-            }
         }
 
 
diff --git a/src/runtime/pyint.cs b/src/runtime/pyint.cs
index 31295c899..e49e62a8a 100644
--- a/src/runtime/pyint.cs
+++ b/src/runtime/pyint.cs
@@ -31,16 +31,26 @@ public PyInt(IntPtr ptr) : base(ptr)
         /// ArgumentException will be thrown if the given object is not a
         /// Python int object.
         /// </remarks>
-        public PyInt(PyObject o)
+        public PyInt(PyObject o) : base(FromObject(o))
         {
-            if (!IsIntType(o))
+        }
+
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsIntType(o))
             {
                 throw new ArgumentException("object is not an int");
             }
             Runtime.XIncref(o.obj);
-            obj = o.obj;
+            return o.obj;
         }
 
+        private static IntPtr FromInt(int value)
+        {
+            IntPtr val = Runtime.PyInt_FromInt32(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
 
         /// <summary>
         /// PyInt Constructor
@@ -48,10 +58,8 @@ public PyInt(PyObject o)
         /// <remarks>
         /// Creates a new Python int from an int32 value.
         /// </remarks>
-        public PyInt(int value)
+        public PyInt(int value) : base(FromInt(value))
         {
-            obj = Runtime.PyInt_FromInt32(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -62,10 +70,8 @@ public PyInt(int value)
         /// Creates a new Python int from a uint32 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyInt(uint value)
+        public PyInt(uint value) : base(FromLong(value))
         {
-            obj = Runtime.PyInt_FromInt64(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -75,10 +81,15 @@ public PyInt(uint value)
         /// <remarks>
         /// Creates a new Python int from an int64 value.
         /// </remarks>
-        public PyInt(long value)
+        public PyInt(long value) : base(FromLong(value))
         {
-            obj = Runtime.PyInt_FromInt64(value);
-            PythonException.ThrowIfIsNull(obj);
+        }
+
+        private static IntPtr FromLong(long value)
+        {
+            IntPtr val = Runtime.PyInt_FromInt64(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
         }
 
 
@@ -89,10 +100,8 @@ public PyInt(long value)
         /// Creates a new Python int from a uint64 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyInt(ulong value)
+        public PyInt(ulong value) : base(FromLong((long)value))
         {
-            obj = Runtime.PyInt_FromInt64((long)value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -142,16 +151,21 @@ public PyInt(sbyte value) : this((int)value)
         }
 
 
+        private static IntPtr FromString(string value)
+        {
+            IntPtr val = Runtime.PyInt_FromString(value, IntPtr.Zero, 0);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
+
         /// <summary>
         /// PyInt Constructor
         /// </summary>
         /// <remarks>
         /// Creates a new Python int from a string value.
         /// </remarks>
-        public PyInt(string value)
+        public PyInt(string value) : base(FromString(value))
         {
-            obj = Runtime.PyInt_FromString(value, IntPtr.Zero, 0);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
diff --git a/src/runtime/pyiter.cs b/src/runtime/pyiter.cs
index ee07bcecf..4ad761db7 100644
--- a/src/runtime/pyiter.cs
+++ b/src/runtime/pyiter.cs
@@ -26,18 +26,22 @@ public PyIter(IntPtr ptr) : base(ptr)
         }
 
         /// <summary>
-        /// PyIter Constructor
+        /// PyIter factory function.
         /// </summary>
         /// <remarks>
-        /// Creates a Python iterator from an iterable. Like doing "iter(iterable)" in python.
+        /// Create a new PyIter from a given iterable.  Like doing "iter(iterable)" in python.
         /// </remarks>
-        public PyIter(PyObject iterable)
+        /// <param name="iterable"></param>
+        /// <returns></returns>
+        public static PyIter GetIter(PyObject iterable)
         {
-            obj = Runtime.PyObject_GetIter(iterable.obj);
-            if (obj == IntPtr.Zero)
+            if (iterable == null)
             {
-                throw new PythonException();
+                throw new ArgumentNullException();
             }
+            IntPtr val = Runtime.PyObject_GetIter(iterable.obj);
+            PythonException.ThrowIfIsNull(val);
+            return new PyIter(val);
         }
 
         protected override void Dispose(bool disposing)
diff --git a/src/runtime/pylist.cs b/src/runtime/pylist.cs
index 80267d81a..dcb0ea78f 100644
--- a/src/runtime/pylist.cs
+++ b/src/runtime/pylist.cs
@@ -28,6 +28,16 @@ public PyList(IntPtr ptr) : base(ptr)
         internal PyList(BorrowedReference reference) : base(reference) { }
 
 
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsListType(o))
+            {
+                throw new ArgumentException("object is not a list");
+            }
+            Runtime.XIncref(o.obj);
+            return o.obj;
+        }
+
         /// <summary>
         /// PyList Constructor
         /// </summary>
@@ -36,14 +46,8 @@ internal PyList(BorrowedReference reference) : base(reference) { }
         /// ArgumentException will be thrown if the given object is not a
         /// Python list object.
         /// </remarks>
-        public PyList(PyObject o)
+        public PyList(PyObject o) : base(FromObject(o))
         {
-            if (!IsListType(o))
-            {
-                throw new ArgumentException("object is not a list");
-            }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
         }
 
 
@@ -53,36 +57,40 @@ public PyList(PyObject o)
         /// <remarks>
         /// Creates a new empty Python list object.
         /// </remarks>
-        public PyList()
+        public PyList() : base(Runtime.PyList_New(0))
         {
-            obj = Runtime.PyList_New(0);
             if (obj == IntPtr.Zero)
             {
                 throw new PythonException();
             }
         }
 
-
-        /// <summary>
-        /// PyList Constructor
-        /// </summary>
-        /// <remarks>
-        /// Creates a new Python list object from an array of PyObjects.
-        /// </remarks>
-        public PyList(PyObject[] items)
+        private static IntPtr FromArray(PyObject[] items)
         {
             int count = items.Length;
-            obj = Runtime.PyList_New(count);
+            IntPtr val = Runtime.PyList_New(count);
             for (var i = 0; i < count; i++)
             {
                 IntPtr ptr = items[i].obj;
                 Runtime.XIncref(ptr);
-                int r = Runtime.PyList_SetItem(obj, i, ptr);
+                int r = Runtime.PyList_SetItem(val, i, ptr);
                 if (r < 0)
                 {
+                    Runtime.Py_DecRef(val);
                     throw new PythonException();
                 }
             }
+            return val;
+        }
+
+        /// <summary>
+        /// PyList Constructor
+        /// </summary>
+        /// <remarks>
+        /// Creates a new Python list object from an array of PyObjects.
+        /// </remarks>
+        public PyList(PyObject[] items) : base(FromArray(items))
+        {
         }
 
 
diff --git a/src/runtime/pylong.cs b/src/runtime/pylong.cs
index fc101105f..87cc7d2a5 100644
--- a/src/runtime/pylong.cs
+++ b/src/runtime/pylong.cs
@@ -31,16 +31,26 @@ public PyLong(IntPtr ptr) : base(ptr)
         /// ArgumentException will be thrown if the given object is not a
         /// Python long object.
         /// </remarks>
-        public PyLong(PyObject o)
+        public PyLong(PyObject o) : base(FromObject(o))
         {
-            if (!IsLongType(o))
+        }
+
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsLongType(o))
             {
                 throw new ArgumentException("object is not a long");
             }
             Runtime.XIncref(o.obj);
-            obj = o.obj;
+            return o.obj;
         }
 
+        private static IntPtr FromInt(int value)
+        {
+            IntPtr val = Runtime.PyLong_FromLong(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
 
         /// <summary>
         /// PyLong Constructor
@@ -48,10 +58,8 @@ public PyLong(PyObject o)
         /// <remarks>
         /// Creates a new PyLong from an int32 value.
         /// </remarks>
-        public PyLong(int value)
+        public PyLong(int value) : base(FromInt(value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -62,25 +70,34 @@ public PyLong(int value)
         /// Creates a new PyLong from a uint32 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyLong(uint value)
+        public PyLong(uint value) : base(FromInt((int)value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
+        private static IntPtr FromLong(long value)
+        {
+            IntPtr val = Runtime.PyLong_FromLongLong(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
+
         /// <summary>
         /// PyLong Constructor
         /// </summary>
         /// <remarks>
         /// Creates a new PyLong from an int64 value.
         /// </remarks>
-        public PyLong(long value)
+        public PyLong(long value) : base(FromLong(value))
         {
-            obj = Runtime.PyLong_FromLongLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
+        private static IntPtr FromULong(ulong value)
+        {
+            IntPtr val = Runtime.PyLong_FromUnsignedLongLong(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
 
         /// <summary>
         /// PyLong Constructor
@@ -89,10 +106,8 @@ public PyLong(long value)
         /// Creates a new PyLong from a uint64 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyLong(ulong value)
+        public PyLong(ulong value) : base(FromULong(value))
         {
-            obj = Runtime.PyLong_FromUnsignedLongLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -102,10 +117,8 @@ public PyLong(ulong value)
         /// <remarks>
         /// Creates a new PyLong from an int16 value.
         /// </remarks>
-        public PyLong(short value)
+        public PyLong(short value) : base(FromInt((int)value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -116,10 +129,8 @@ public PyLong(short value)
         /// Creates a new PyLong from an uint16 value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyLong(ushort value)
+        public PyLong(ushort value) : base(FromInt((int)value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -129,10 +140,8 @@ public PyLong(ushort value)
         /// <remarks>
         /// Creates a new PyLong from a byte value.
         /// </remarks>
-        public PyLong(byte value)
+        public PyLong(byte value) : base(FromInt((int)value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
@@ -143,12 +152,16 @@ public PyLong(byte value)
         /// Creates a new PyLong from an sbyte value.
         /// </remarks>
         [CLSCompliant(false)]
-        public PyLong(sbyte value)
+        public PyLong(sbyte value) : base(FromInt((int)value))
         {
-            obj = Runtime.PyLong_FromLong(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
+        private static IntPtr FromDouble(double value)
+        {
+            IntPtr val = Runtime.PyLong_FromDouble(value);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
 
         /// <summary>
         /// PyLong Constructor
@@ -156,12 +169,16 @@ public PyLong(sbyte value)
         /// <remarks>
         /// Creates a new PyLong from an double value.
         /// </remarks>
-        public PyLong(double value)
+        public PyLong(double value) : base(FromDouble(value))
         {
-            obj = Runtime.PyLong_FromDouble(value);
-            PythonException.ThrowIfIsNull(obj);
         }
 
+        private static IntPtr FromString(string value)
+        {
+            IntPtr val = Runtime.PyLong_FromString(value, IntPtr.Zero, 0);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
 
         /// <summary>
         /// PyLong Constructor
@@ -169,10 +186,8 @@ public PyLong(double value)
         /// <remarks>
         /// Creates a new PyLong from a string value.
         /// </remarks>
-        public PyLong(string value)
+        public PyLong(string value) : base(FromString(value))
         {
-            obj = Runtime.PyLong_FromString(value, IntPtr.Zero, 0);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
diff --git a/src/runtime/pynumber.cs b/src/runtime/pynumber.cs
index 4f7373a8c..1af67b4e0 100644
--- a/src/runtime/pynumber.cs
+++ b/src/runtime/pynumber.cs
@@ -5,7 +5,6 @@ namespace Python.Runtime
     /// <summary>
     /// Represents a generic Python number. The methods of this class are
     /// equivalent to the Python "abstract number API". See
-    /// PY2: https://docs.python.org/2/c-api/number.html
     /// PY3: https://docs.python.org/3/c-api/number.html
     /// for details.
     /// </summary>
@@ -18,11 +17,6 @@ protected PyNumber(IntPtr ptr) : base(ptr)
         {
         }
 
-        protected PyNumber()
-        {
-        }
-
-
         /// <summary>
         /// IsNumberType Method
         /// </summary>
diff --git a/src/runtime/pyobject.cs b/src/runtime/pyobject.cs
index f456fd69d..a7f5e8305 100644
--- a/src/runtime/pyobject.cs
+++ b/src/runtime/pyobject.cs
@@ -69,17 +69,6 @@ internal PyObject(BorrowedReference reference)
 #endif
         }
 
-        // Protected default constructor to allow subclasses to manage
-        // initialization in different ways as appropriate.
-        [Obsolete("Please, always use PyObject(*Reference)")]
-        protected PyObject()
-        {
-            Finalizer.Instance.ThrottledCollect();
-#if TRACE_ALLOC
-            Traceback = new StackTrace(1);
-#endif
-        }
-
         // Ensure that encapsulated Python object is decref'ed appropriately
         // when the managed wrapper is garbage-collected.
         ~PyObject()
@@ -710,7 +699,7 @@ public PyObject GetIterator()
         /// </remarks>
         public IEnumerator GetEnumerator()
         {
-            return new PyIter(this);
+            return PyIter.GetIter(this);
         }
 
 
diff --git a/src/runtime/pysequence.cs b/src/runtime/pysequence.cs
index 8df13f737..1850ef7de 100644
--- a/src/runtime/pysequence.cs
+++ b/src/runtime/pysequence.cs
@@ -18,10 +18,6 @@ protected PySequence(IntPtr ptr) : base(ptr)
 
         internal PySequence(BorrowedReference reference) : base(reference) { }
 
-        protected PySequence()
-        {
-        }
-
 
         /// <summary>
         /// IsSequenceType Method
diff --git a/src/runtime/pystring.cs b/src/runtime/pystring.cs
index cb18024c5..b3d0dc86d 100644
--- a/src/runtime/pystring.cs
+++ b/src/runtime/pystring.cs
@@ -26,6 +26,16 @@ public PyString(IntPtr ptr) : base(ptr)
         }
 
 
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsStringType(o))
+            {
+                throw new ArgumentException("object is not a string");
+            }
+            Runtime.XIncref(o.obj);
+            return o.obj;
+        }
+
         /// <summary>
         /// PyString Constructor
         /// </summary>
@@ -34,27 +44,25 @@ public PyString(IntPtr ptr) : base(ptr)
         /// An ArgumentException will be thrown if the given object is not
         /// a Python string object.
         /// </remarks>
-        public PyString(PyObject o)
+        public PyString(PyObject o) : base(FromObject(o))
         {
-            if (!IsStringType(o))
-            {
-                throw new ArgumentException("object is not a string");
-            }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
         }
 
 
+        private static IntPtr FromString(string s)
+        {
+            IntPtr val = Runtime.PyUnicode_FromUnicode(s, s.Length);
+            PythonException.ThrowIfIsNull(val);
+            return val;
+        }
         /// <summary>
         /// PyString Constructor
         /// </summary>
         /// <remarks>
         /// Creates a Python string from a managed string.
         /// </remarks>
-        public PyString(string s)
+        public PyString(string s) : base(FromString(s))
         {
-            obj = Runtime.PyUnicode_FromUnicode(s, s.Length);
-            PythonException.ThrowIfIsNull(obj);
         }
 
 
diff --git a/src/runtime/pytuple.cs b/src/runtime/pytuple.cs
index 259d7ae0f..530ced3d2 100644
--- a/src/runtime/pytuple.cs
+++ b/src/runtime/pytuple.cs
@@ -31,6 +31,15 @@ public PyTuple(IntPtr ptr) : base(ptr)
         /// </remarks>
         internal PyTuple(BorrowedReference reference) : base(reference) { }
 
+        private static IntPtr FromObject(PyObject o)
+        {
+            if (o == null || !IsTupleType(o))
+            {
+                throw new ArgumentException("object is not a tuple");
+            }
+            Runtime.XIncref(o.obj);
+            return o.obj;
+        }
 
         /// <summary>
         /// PyTuple Constructor
@@ -40,14 +49,8 @@ internal PyTuple(BorrowedReference reference) : base(reference) { }
         /// ArgumentException will be thrown if the given object is not a
         /// Python tuple object.
         /// </remarks>
-        public PyTuple(PyObject o)
+        public PyTuple(PyObject o) : base(FromObject(o))
         {
-            if (!IsTupleType(o))
-            {
-                throw new ArgumentException("object is not a tuple");
-            }
-            Runtime.XIncref(o.obj);
-            obj = o.obj;
         }
 
 
@@ -57,12 +60,28 @@ public PyTuple(PyObject o)
         /// <remarks>
         /// Creates a new empty PyTuple.
         /// </remarks>
-        public PyTuple()
+        public PyTuple() : base(Runtime.PyTuple_New(0))
         {
-            obj = Runtime.PyTuple_New(0);
             PythonException.ThrowIfIsNull(obj);
         }
 
+        private static IntPtr FromArray(PyObject[] items)
+        {
+            int count = items.Length;
+            IntPtr val = Runtime.PyTuple_New(count);
+            for (var i = 0; i < count; i++)
+            {
+                IntPtr ptr = items[i].obj;
+                Runtime.XIncref(ptr);
+                int res = Runtime.PyTuple_SetItem(val, i, ptr);
+                if (res != 0)
+                {
+                    Runtime.Py_DecRef(val);
+                    throw new PythonException();
+                }
+            }
+            return val;
+        }
 
         /// <summary>
         /// PyTuple Constructor
@@ -73,17 +92,8 @@ public PyTuple()
         /// See caveats about PyTuple_SetItem:
         /// https://www.coursehero.com/file/p4j2ogg/important-exceptions-to-this-rule-PyTupleSetItem-and-PyListSetItem-These/
         /// </remarks>
-        public PyTuple(PyObject[] items)
+        public PyTuple(PyObject[] items) : base(FromArray(items))
         {
-            int count = items.Length;
-            obj = Runtime.PyTuple_New(count);
-            for (var i = 0; i < count; i++)
-            {
-                IntPtr ptr = items[i].obj;
-                Runtime.XIncref(ptr);
-                int res = Runtime.PyTuple_SetItem(obj, i, ptr);
-                PythonException.ThrowIfIsNotZero(res);
-            }
         }
 
 

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