Merge pull request #28 from SlicingDice/feature/correct-data-extraction-validator

Correct data extraction validator

Author: joaosimbiose

CHANGELOG.md

@@ -1,7 +1,9 @@
 # Change Log
 
+## [2.0.1]
 ### Updated
 - Make client compatible with python 3
+- Correct data extraction validator to accept columns: all
 
 ## [2.0.0]
 ### Updated

pyslicer/utils/validators.py

@@ -191,7 +191,7 @@ def _valid_keys(self):
         """
         if "columns" in self.data:
             value = self.data["columns"]
-            if not isinstance(value, list):
+            if not isinstance(value, list) and value != "all":
                 raise exceptions.InvalidQueryException(
                     "The key 'columns' in query has a invalid value.")
             else: