Merge pull request #325 from andreassch/master

unicode fix for ticklabels for Python 2

Author: nschloe

tikzplotlib/axes.py

@@ -582,7 +582,7 @@ def _get_ticks(data, xy, ticks, ticklabels):
 
         if is_label_required:
             axis_options.append(
-                "{}ticklabels={{{}}}".format(xy, ",".join(pgfplots_ticklabels))
+                u"{}ticklabels={{{}}}".format(xy, u",".join(pgfplots_ticklabels))
             )
     return axis_options
 

tikzplotlib/line2d.py

@@ -264,7 +264,7 @@ def _table(obj, data):
     elif isinstance(xdata_alt[0], str):
         data["current axes"].axis_options += [
             "xtick={{{}}}".format(",".join([ff.format(x) for x in xdata])),
-            "xticklabels={{{}}}".format(",".join(xdata_alt)),
+            u"xticklabels={{{}}}".format(u",".join(xdata_alt)),
         ]
         xdata, ydata = transform_to_data_coordinates(obj, xdata, ydata)
     else: