Update physchem_desc.py

physchem_desc.py

@@ -128,7 +128,7 @@ class PhyschemDescriptor(object):
         self.discretizer.fit(X)
 
     def transform(self, smiles):
-        df = physchem_featurizer_as_dataframe(smiles)
+        df = physchem_featurizer_as_dataframe(self, smiles)
         X = np.array(df, dtype=np.float32)
         X = self.nan_filter.transform(X)
         X = self.imputer.transform(X)
@@ -171,3 +171,4 @@ class PhyschemDescriptorWithFeatures(object):
         if self.discretize:
             X = self.discretizer.transform(X)
         return np.array(X, dtype=int)
+