Update setup.py

Author: osimloeff

setup.py

@@ -27,7 +27,7 @@
 # prerequisite: setuptools
 # http://pypi.python.org/pypi/setuptools
 
-REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil"]
+REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil", "pandas>=0.20.3"]
 
 setup(
     name=NAME,