[pre-commit.ci] auto fixes from pre-commit hooks

Author: pre-commit-ci[bot]

src/diffpy/utils/parsers/loaddata.py

@@ -333,4 +333,4 @@ def _findDataBlocks(self):
         return
 
 
-# End of class TextDataLoader
+# End of class TextDataLoader

src/diffpy/utils/parsers/validators.py

@@ -5,4 +5,4 @@ def isnumber(s):
         return True
     except ValueError:
         pass
-    return False
+    return False