SNOW-120351: Added development optional dependencies to Python packages

Author: sfc-gh-stakeda

setup.cfg

@@ -2,4 +2,6 @@
 universal = 1
 
 [flake8]
-ignore=E126,E127
+ignore=F821,W504,E501,E402,E122,E127,E126,E128,E131,E731,E125,E722
+exclude=build,test,setup,tool
+max-line-length = 120

setup.py

@@ -217,8 +217,26 @@ def _get_pyarrow_lib_pattern(self, lib_name):
         ],
         "pandas": [
             'pyarrow>=0.15.1,<0.16.0;python_version>"3.4"',
-            'pandas<1.0.0;python_version>"3.4"',
-        ]
+            'pandas==0.24.2;python_version=="2.7" or python_version=="3.5"',
+            'pandas<1.0.0;python_version>"3.5"',
+        ],
+        "development": [
+            'pytest==4.6.6',  # Last Python 2.7 supported version
+            'pytest-cov',
+            'pytest-rerunfailures',
+            'pytest-timeout',
+            'coverage',
+            'pexpect',
+            'mock',
+            'pytz',
+            'pytzdata',
+            'Cython',
+            'pendulum',
+            'more-itertools==4.3.0;python_version=="2.7"',  # Last Python 2.7 supported version
+            'more-itertools;python_version!="2.7"',
+            'numpy==1.16.5;python_version=="2.7"',  # Last Python 2.7 supported version
+            'numpy;python_version!="2.7"',
+        ],
     },
 
     classifiers=[