Correct codacy warnings

pina/data/unsupervised_dataset.py

@@ -6,8 +6,9 @@ from .base_dataset import BaseDataset
 
 class UnsupervisedDataset(BaseDataset):
     """
-    This class extend BaseDataset class to handle unsupervised dataset,
-    composed of input points and, optionally, conditional variables
+    This class extend BaseDataset class to handle
+    unsupervised dataset,composed of input points
+    and, optionally, conditional variables
     """
     data_type = 'unsupervised'
     __slots__ = ['input_points', 'conditional_variables']