Suppress AttributeError when detecting get-pip. Fixes #3002.

2 files changed, 13 insertions, 0 deletions

diff --git a/_distutils_hack/__init__.py b/_distutils_hack/__init__.py
index 4745f8b9..75bc4463 100644
--- a/_distutils_hack/__init__.py
+++ b/_distutils_hack/__init__.py
@@ -73,6 +73,17 @@ def do_override():
         ensure_local_distutils()
 
 
+class suppress(contextlib.suppress, contextlib.ContextDecorator):
+    """
+    A version of contextlib.suppress with decorator support.
+
+    >>> @suppress(KeyError)
+    ... def key_error():
+    ...     {}['']
+    >>> key_error()
+    """
+
+
 class DistutilsMetaFinder:
     def find_spec(self, fullname, path, target=None):
         if path is not None:
@@ -133,6 +144,7 @@ class DistutilsMetaFinder:
         )
 
     @classmethod
+    @suppress(AttributeError)
     def is_get_pip(cls):
         """
         Detect if get-pip is being invoked. Ref #2993.
diff --git a/changelog.d/3002.misc.rst b/changelog.d/3002.misc.rst
new file mode 100644
index 00000000..ed2c3936
--- /dev/null
+++ b/changelog.d/3002.misc.rst
@@ -0,0 +1 @@
+Suppress AttributeError when detecting get-pip.