Set default draggable to False and fixed testcase

Author: shabnamsadegh

lib/matplotlib/legend.py

@@ -287,7 +287,7 @@ def _update_bbox_to_anchor(self, loc_in_canvas):
     handler. This *handler_map* updates the default handler map
     found at `matplotlib.legend.Legend.get_legend_handler_map`.
 
-draggable : bool or None
+draggable : bool, default: False
     Whether the legend can be dragged with the mouse.
 """)
 
@@ -346,7 +346,7 @@ def __init__(
         alignment="center",       # control the alignment within the legend box
         *,
         ncol=1,  # synonym for ncols (backward compatibility)
-        draggable=None  # whether the legend can be dragged with the mouse
+        draggable=False  # whether the legend can be dragged with the mouse
     ):
         """
         Parameters

lib/matplotlib/tests/test_legend.py

@@ -788,7 +788,7 @@ def test_legend_draggable(draggable):
     fig, ax = plt.subplots()
     ax.plot(range(10), label='shabnams')
     leg = ax.legend(draggable=draggable)
-    assert leg.get_draggable() == draggable
+    assert leg.get_draggable() is draggable
 
 
 def test_alpha_handles():