bpo-37444: Update differing exception between builtins and importlib (GH-14869)
Imports now raise `TypeError` instead of `ValueError` for relative import failures. This makes things consistent between `builtins.__import__` and `importlib.__import__` as well as using a more natural import for the failure.
https://bugs.python.org/issue37444
Automerge-Triggered-By: @brettcannon
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index 32deef1..5e2f520 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -873,7 +873,7 @@
"""Resolve a relative module name to an absolute one."""
bits = package.rsplit('.', level - 1)
if len(bits) < level:
- raise ValueError('attempted relative import beyond top-level package')
+ raise ImportError('attempted relative import beyond top-level package')
base = bits[0]
return '{}.{}'.format(base, name) if name else base
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 201e0f4..269a6fa 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -29,8 +29,8 @@
if not name.startswith('.'):
return name
elif not package:
- raise ValueError(f'no package specified for {repr(name)} '
- '(required for relative module names)')
+ raise ImportError(f'no package specified for {repr(name)} '
+ '(required for relative module names)')
level = 0
for character in name:
if character != '.':