refactored testing tools so matplotlib doesn't need to be installed.

Author: theengineear

plotly/tests/test_optional/optional_utils.py

@@ -0,0 +1,14 @@
+from __future__ import absolute_import
+
+import matplotlib
+# Force matplotlib to not use any Xwindows backend.
+matplotlib.use('Agg')
+from plotly.matplotlylib import Exporter, PlotlyRenderer
+from plotly.tests.utils import *
+
+
+def run_fig(fig):
+    renderer = PlotlyRenderer()
+    exporter = Exporter(renderer)
+    exporter.run(fig)
+    return renderer

plotly/tests/test_optional/test_matplotlylib/nose_tools.py renamed to plotly/tests/utils.py

@@ -1,9 +1,3 @@
-from __future__ import absolute_import
-
-import matplotlib
-# Force matplotlib to not use any Xwindows backend.
-matplotlib.use('Agg')
-from plotly.matplotlylib import Exporter, PlotlyRenderer
 from numbers import Number as Num
 
 
@@ -56,8 +50,3 @@ def is_num_list(item):
     return True
 
 
-def run_fig(fig):
-    renderer = PlotlyRenderer()
-    exporter = Exporter(renderer)
-    exporter.run(fig)
-    return renderer