Update mypy version

msullivan · msullivan · commit 6fa2ccb8c4a9 · 2019-08-20T16:06:43.000-07:00
This syncs up with the version we are going to merge into
diff --git a/mypyc/external/mypy b/mypyc/external/mypy
@@ -1 +1 @@
-Subproject commit 8fbdc7229b8e30ee6a39513248aa4e145da25cba
+Subproject commit afb1284cced4913324cf6b40a8da2c009ab2e907
diff --git a/mypyc/genops.py b/mypyc/genops.py
@@ -31,7 +31,7 @@ def f(x: int) -> int:
     IndexExpr, Block, Expression, ListExpr, ExpressionStmt, MemberExpr, ForStmt, RefExpr, Lvalue,
     BreakStmt, ContinueStmt, ConditionalExpr, OperatorAssignmentStmt, TupleExpr, ClassDef,
     TypeInfo, Import, ImportFrom, ImportAll, DictExpr, StrExpr, CastExpr, TempNode,
-    PassStmt, PromoteExpr, AwaitExpr, BackquoteExpr, AssertStmt, BytesExpr,
+    PassStmt, PromoteExpr, AssignmentExpr, AwaitExpr, BackquoteExpr, AssertStmt, BytesExpr,
     ComplexExpr, Decorator, DelStmt, DictionaryComprehension, EllipsisExpr, EnumCallExpr, ExecStmt,
     FloatExpr, GeneratorExpr, GlobalDecl, LambdaExpr, ListComprehension, SetComprehension,
     NamedTupleExpr, NewTypeExpr, NonlocalDecl, OverloadedFuncDef, PrintStmt, RaiseStmt,
@@ -4364,6 +4364,10 @@ def flatten_classes(self, arg: Union[RefExpr, TupleExpr]) -> Optional[List[Class
     def visit_await_expr(self, o: AwaitExpr) -> Value:
         return self.handle_yield_from_and_await(o)
 
+    # Unimplemented constructs
+    def visit_assignment_expr(self, o: AssignmentExpr) -> Value:
+        self.bail("I Am The Walrus (unimplemented)", o.line)
+
     # Unimplemented constructs that shouldn't come up because they are py2 only
     def visit_backquote_expr(self, o: BackquoteExpr) -> Value:
         self.bail("Python 2 features are unsupported", o.line)
