Require matplotlib 1.x as conda dependency.

pavoljuhas · pavoljuhas · commit 0073999e1071 · 2017-02-09T11:19:45.000-05:00
PDFgui is currently incompatible with matplotlib 2.0.
diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
@@ -37,7 +37,7 @@ requirements:
   run:
     - python
     - setuptools
-    - matplotlib
+    - matplotlib 1.*
     - wxpython
     - menuinst                  [win]
     - diffpy.pdffit2
