fixed dependency on pyarrow==0.14.0

Author: sladkovm

Pipfile

@@ -19,11 +19,10 @@ stravaio = {editable = true,path = "."}
 logme = "*"
 maya = "*"
 pandas = "*"
-pyarrow = "*"
 urllib3 = "*"
 certifi = "*"
 loguru = "*"
 requests = "*"
 
 [requires]
-python_version = "3.6"
+python_version = "3.7"

setup.py

@@ -16,7 +16,7 @@
     'urllib3',
     'maya',
     'certifi',
-    'pyarrow',
+    'pyarrow==0.14.0',
     'requests',
     'loguru'
 ]