Update test_frame.py

fixing lint E231

Author: javadnoorb

pandas/tests/plotting/test_frame.py

@@ -1032,8 +1032,8 @@ def test_plot_scatter(self):
 
     @pytest.mark.slow
     def test_if_scatterplot_colorbar_affects_xaxis_visibility(self):
-        random_array = np.random.random((1000,3))
-        df = pd.DataFrame(random_array,columns=['A label','B label','C label'])
+        random_array = np.random.random((1000, 3))
+        df = pd.DataFrame(random_array,columns=['A label', 'B label', 'C label'])
 
         ax1 = df.plot.scatter(x='A label', y='B label')
         ax2 = df.plot.scatter(x='A label', y='B label', c='C label')
@@ -1043,7 +1043,7 @@ def test_if_scatterplot_colorbar_affects_xaxis_visibility(self):
                         ax2.xaxis.get_minorticklabels())]), \
             'minor x-axis tick labels visibility ' \
             'changes when colorbar included'
-        assert all([vis[0].get_visible() == vis[1].get_visible() for vis in 
+        assert all([vis[0].get_visible() == vis[1].get_visible() for vis in
                     zip(ax1.xaxis.get_majorticklabels(),
                         ax2.xaxis.get_majorticklabels())]), \
             'major x-axis tick labels visibility ' \
@@ -1054,10 +1054,10 @@ def test_if_scatterplot_colorbar_affects_xaxis_visibility(self):
 
     @pytest.mark.slow
     def test_if_hexbin_xaxis_label_is_visible(self):
-        random_array = np.random.random((1000,3))
-        df = pd.DataFrame(random_array,columns=['A label','B label','C label'])
+        random_array = np.random.random((1000, 3))
+        df = pd.DataFrame(random_array,columns=['A label', 'B label', 'C label'])
 
-        ax = df.plot.hexbin('A label','B label', gridsize=12)
+        ax = df.plot.hexbin('A label', 'B label', gridsize=12)
         assert all([vis.get_visible() for vis in
                     ax.xaxis.get_minorticklabels()]), \
             'minor x-axis tick labels are not visible'