Merge pull request #354 from Aikhjarto/master

fixing deprecated function call #353

Author: nschloe

tikzplotlib/_axes.py

@@ -327,7 +327,7 @@ def _colorbar(self, colorbar, data):
         colorbar_styles = []
 
         orientation = colorbar.orientation
-        limits = colorbar.get_clim()
+        limits = colorbar.mappable.get_clim()
         if orientation == "horizontal":
             self.axis_options.append("colorbar horizontal")