Fixes buggy logic in commit bundle state validation

Author: gustavocidornelas

openlayer/validators/commit_validators.py

@@ -208,23 +208,17 @@ def _validate_bundle_state(self):
             if (
                 "training" in self._bundle_resources
                 or "fine-tuning" in self._bundle_resources
-            ) and "validation" not in self._bundle_resources:
+            ) and ("validation" not in self._bundle_resources):
                 if outputs_in_training_set:
                     self.failed_validations.append(
                         "The training/fine-tuning dataset contains predictions, but no model was"
                         " provided. To push a training/fine-tuning set with predictions, please provide"
                         " a model and a validation set with predictions as well."
                     )
-            elif (
-                "training" not in self._bundle_resources
-                or "fine-tuning" not in self._bundle_resources
-            ) and "validation" in self._bundle_resources:
-                # This is allowed -- listed just for completeness
-                pass
             elif (
                 "training" in self._bundle_resources
                 or "fine-tuning" in self._bundle_resources
-            ) and "validation" in self._bundle_resources:
+            ) and ("validation" in self._bundle_resources):
                 if outputs_in_training_set or outputs_in_validation_set:
                     self.failed_validations.append(
                         "You are trying to push a training/fine-tuning set and a validation set to the platform. "