BUG: remove new changes and old bug fix

Author: alexandercbooth

pandas/tools/plotting.py

@@ -341,7 +341,6 @@ def scatter_matrix(frame, alpha=0.5, figsize=None, ax=None, grid=False,
     >>> df = DataFrame(np.random.randn(1000, 4), columns=['A','B','C','D'])
     >>> scatter_matrix(df, alpha=0.2)
     """
-    import matplotlib.pyplot as plt
 
     df = frame._get_numeric_data()
     n = df.columns.size
@@ -359,17 +358,8 @@ def scatter_matrix(frame, alpha=0.5, figsize=None, ax=None, grid=False,
     hist_kwds = hist_kwds or {}
     density_kwds = density_kwds or {}
 
-    # workaround because `c='b'` is hardcoded in matplotlibs scatter method
-    # only set default for `c` if `color` kwarg not supplied
-    # edgecolors default required otherwise `color` has a border
     # GH 14855
     kwds.setdefault('edgecolors', 'none')
-    if 'color' in kwds:
-        pass
-    if 'facecolor' in kwds:
-        kwds.setdefault('facecolor', plt.rcParams['patch.facecolor'])
-    if 'c' in kwds:
-        kwds.setdefault('c', plt.rcParams['patch.facecolor'])
 
     boundaries_list = []
     for a in df.columns:
@@ -2862,8 +2852,7 @@ def scatter_plot(data, x, y, by=None, ax=None, figsize=None, grid=False,
     """
     import matplotlib.pyplot as plt
 
-    # workaround because `c='b'` is hardcoded in matplotlibs scatter method
-    kwargs.setdefault('c', plt.rcParams['patch.facecolor'])
+    kwargs.setdefault('edgecolors', 'none')
 
     def plot_group(group, ax):
         xvals = group[x].values