Remove mlab.is_closed_polygon

dstansby · dstansby · commit bca721fb774c · 2018-09-21T11:35:05.000+01:00
diff --git a/doc/api/next_api_changes/2018-09-18-DS.rst b/doc/api/next_api_changes/2018-09-18-DS.rst
@@ -35,4 +35,5 @@ in Matplotlib 2.2 has been removed. See below for a list:
 - `mlab.cross_from_above`
 - `mlab.cross_from_below`
 - `mlab.contiguous_regions` (use `.cbook.contiguous_regions` instead)
+- `mlab.is_closed_polygon`
 - `mlab.donothing_callback`
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -2745,13 +2745,3 @@ def poly_between(x, ylower, yupper):
     x = numpy.concatenate((x, x[::-1]))
     y = numpy.concatenate((yupper, ylower[::-1]))
     return x, y
-
-
-@cbook.deprecated('2.2')
-def is_closed_polygon(X):
-    """
-    Tests whether first and last object in a sequence are the same.  These are
-    presumably coordinates on a polygonal curve, in which case this function
-    tests if that curve is closed.
-    """
-    return np.all(X[0] == X[-1])
diff --git a/lib/matplotlib/pylab.py b/lib/matplotlib/pylab.py
@@ -233,7 +233,7 @@
     demean, detrend, detrend_linear, detrend_mean, detrend_none,
     exp_safe,
     frange,
-    identity, inside_poly, is_closed_polygon, ispower2, isvector, l1norm,
+    identity, inside_poly, ispower2, isvector, l1norm,
     l2norm, log2, movavg, norm_flat,
     poly_below, poly_between,
     rec2csv, rec_append_fields, rec_drop_fields, rec_join, rms_flat,
