matplotlib
diff --git a/‎lib/matplotlib/figure.py‎
Lines changed: 1 addition & 0 deletions b/‎lib/matplotlib/figure.py‎
Lines changed: 1 addition & 0 deletions
@@ -1341,6 +1341,7 @@ def subplots(self, nrows=1, ncols=1, sharex=False, sharey=False,
         else:
             # this should turn constrained_layout off if we don't want it
             gs = GridSpec(nrows, ncols, figure=None, **gridspec_kw)
+        self._gridspecs.append(gs)
 
         # Create array to hold all axes.
         axarr = np.empty((nrows, ncols), dtype=object)