MNT: Pin pandas != 0.25.0

Refs: 6d9917c
Refs: kernc/backtesting.py#14

Author: goblincomet

setup.py

@@ -32,7 +32,7 @@
         install_requires=[
             'typing ; python_version < "3.5"',
             'numpy',
-            'pandas >= 0.21.0, < 0.25.0',
+            'pandas >= 0.21.0, != 0.25.0',
             'bokeh >= 0.12.15',
         ],
         extras_require={