Add gitignore

setup.py

@@ -13,5 +13,5 @@ setup(
     description=metainfo['title'],
     long_description=metainfo['description'],
     packages=find_packages(),
-    install_requires=['numpy', 'math', 'matplotlib', 'pandas', 'seaborn', 'sklearn'],
+    install_requires=['numpy', 'matplotlib', 'pandas', 'seaborn', 'sklearn'],
 )