A quick 🐄-tip on unnecessary parentheses.

theengineear · theengineear · commit 43634367d401 · 2015-10-02T16:01:52.000+07:00
diff --git a/plotly/graph_objs/figure_factory.py b/plotly/graph_objs/figure_factory.py
@@ -1463,8 +1463,8 @@ def get_streamline_arrows(self):
 
         streamline_ang = np.arctan(dif_y / dif_x)
 
-        ang1 = streamline_ang + (self.angle)
-        ang2 = streamline_ang - (self.angle)
+        ang1 = streamline_ang + self.angle
+        ang2 = streamline_ang - self.angle
 
         seg1_x = np.cos(ang1) * self.arrow_scale
         seg1_y = np.sin(ang1) * self.arrow_scale
