Fix draw_text methods for handling mtext=None.

pwuertz · pwuertz · commit e2f859183110 · 2014-05-16T07:25:33.000+02:00
diff --git a/lib/matplotlib/backends/backend_pgf.py b/lib/matplotlib/backends/backend_pgf.py
@@ -651,7 +651,7 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
 
         f = 1.0 / self.figure.dpi
         text_args = []
-        if angle == 0 or mtext.get_rotation_mode() == "anchor":
+        if mtext and (angle == 0 or mtext.get_rotation_mode() == "anchor"):
             # if text anchoring can be supported, get the original coordinates
             # and add alignment information
             x, y = mtext.get_transform().transform_point(mtext.get_position())
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
@@ -1005,7 +1005,7 @@ def _draw_text_as_text(self, gc, x, y, s, prop, angle, ismath, mtext=None):
             style['font-style'] = prop.get_style().lower()
             attrib['style'] = generate_css(style)
 
-            if angle == 0 or mtext.get_rotation_mode() == "anchor":
+            if mtext and (angle == 0 or mtext.get_rotation_mode() == "anchor"):
                 # If text anchoring can be supported, get the original
                 # coordinates and add alignment information.
 
