line break fixes

thoo · thoo · commit 9cf91e3e9b48 · 2018-10-16T16:20:13.000-04:00
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -6883,9 +6883,8 @@ def hist2d(self, x, y, bins=10, range=None, density=None,
         """
         if density is not None and normed is not None:
             raise ValueError("kwargs 'density' and 'normed' cannot be used "
-                             "simultaneously. "
-                             "Please only use 'density', since 'normed'"
-                             "is deprecated.")
+                             "simultaneously. Please only use 'density', "
+                             "since 'normed' is deprecated.")
         if normed is not None:
             cbook.warn_deprecated("2.1", name="'normed'", obj_type="kwarg",
                                   alternative="'density'", removal="3.1")
