BUG: parallel_coordinates bugfix with matplotlib 1.2.0. close #2237

Author: wesm

RELEASE.rst

@@ -108,6 +108,8 @@ pandas 0.9.1
   - SparseDataFrame.icol was not returning SparseSeries (#2227, #2229)
   - Enable ExcelWriter to handle PeriodIndex (#2240)
   - Fix issue constructing DataFrame from empty Series with name (#2234)
+  - Use console-width detection in interactive sessions only (#1610)
+  - Fix parallel_coordinates legend bug with mpl 1.2.0 (#2237)
 
 pandas 0.9.0
 ============

pandas/tools/plotting.py

@@ -452,12 +452,14 @@ def random_color(column):
     for i in range(n):
         row = df.irow(i).values
         y = row
-        label = None
         kls = class_col.iget_value(i)
         if com.pprint_thing(kls) not in used_legends:
             label = com.pprint_thing(kls)
             used_legends.add(label)
-        ax.plot(x, y, color=random_color(kls), label=label, **kwds)
+            ax.plot(x, y, color=random_color(kls),
+                    label=label, **kwds)
+        else:
+            ax.plot(x, y, color=random_color(kls), **kwds)
 
     for i in range(ncols):
         ax.axvline(i, linewidth=1, color='black')