Require pandas >= 0.18.0 (#34)

According to pandas documentation: `RangeIndex is a sub-class of Int64Index added in version 0.18.0` RangeIndex is used in root_pandas.
scikit-hep · Oct 25, 2016 · 0cc031f · 0cc031f
1 parent 2001dcc
commit 0cc031f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -9,7 +9,7 @@
       license='MIT',
       install_requires=[
           'numpy',
-          'pandas',
+          'pandas>=0.18.0',
           'root_numpy',
       ],
       packages=['root_pandas'],