fixed ptl version for legacy logger (#132)

* updated ptl requirements

* fix

setup.py

@@ -11,7 +11,7 @@ def main():
         'hpo': ['scikit-optimize>=0.5.2', 'scipy'],
         'monitoring': ['scikit-optimize>=0.7.4', 'sacred>=0.7.5', 'scikit-learn>=0.21.3', 'keras-tuner>=1.0.2',
                        'scikit-plot>=0.3.7', 'seaborn>=0.8.1', 'aif360>=0.2.1', 'xgboost>=0.82',
-                       'yellowbrick>=1.2', 'pytorch-lightning>=1.0.0'],
+                       'yellowbrick>=1.2', 'pytorch-lightning>=1.0.7', 'pytorch-lightning<1.5.0'],
         'versioning': ['boto3', 'numpy'],
         'viz': ['altair>=2.3.0', 'hiplot>=0.1.5'],
     }