Merge pull request #184 from cool-RR/patch-2

Fix exception cause in validator.py
jupyter · Jun 15, 2020 · a06f4c8 · a06f4c8
2 parents dfb2696 + 9843146
commit a06f4c8
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/nbformat/validator.py b/nbformat/validator.py
@@ -13,14 +13,13 @@
     from jsonschema import Draft4Validator as Validator
 except ImportError as e:
     verbose_msg = """
-
     Jupyter notebook format depends on the jsonschema package:
 
         https://pypi.python.org/pypi/jsonschema
 
     Please install it first.
     """
-    raise ImportError(str(e) + verbose_msg)
+    raise ImportError(verbose_msg) from e
 
 from ipython_genutils.importstring import import_item
 from .reader import get_version, reads