diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
index 188ffe0708f2..f42de16b00de 100644
--- a/lib/matplotlib/projections/polar.py
+++ b/lib/matplotlib/projections/polar.py
@@ -1202,9 +1202,8 @@ def set_ylim(self, bottom=None, top=None, emit=True, auto=False,
'argument and kwarg "ymax"')
else:
top = ymax
- if top is None and len(bottom) == 2:
- top = bottom[1]
- bottom = bottom[0]
+ if top is None and np.iterable(bottom):
+ bottom, top = bottom[0], bottom[1]
return super().set_ylim(bottom=bottom, top=top, emit=emit, auto=auto)
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 1a848692907e..179731c73f7d 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -794,6 +794,27 @@ def test_polar_theta_limits():
ax.yaxis.set_tick_params(label2On=True, rotation='auto')
+@check_figures_equal(extensions=["png"])
+def test_polar_rlim(fig_test, fig_ref):
+ ax = fig_test.subplots(subplot_kw={'polar': True})
+ ax.set_rlim(top=10)
+ ax.set_rlim(bottom=.5)
+
+ ax = fig_ref.subplots(subplot_kw={'polar': True})
+ ax.set_rmax(10.)
+ ax.set_rmin(.5)
+
+
+@check_figures_equal(extensions=["png"])
+def test_polar_rlim_bottom(fig_test, fig_ref):
+ ax = fig_test.subplots(subplot_kw={'polar': True})
+ ax.set_rlim(bottom=[.5, 10])
+
+ ax = fig_ref.subplots(subplot_kw={'polar': True})
+ ax.set_rmax(10.)
+ ax.set_rmin(.5)
+
+
@image_comparison(baseline_images=['axvspan_epoch'])
def test_axvspan_epoch():
from datetime import datetime
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