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Lib/site-packages/pipenv/vendor/requirementslib/environment.py

@@ -0,0 +1,17 @@
+# -*- coding=utf-8 -*-
+from __future__ import print_function, absolute_import
+
+import os
+from appdirs import user_cache_dir
+
+
+def is_type_checking():
+    try:
+        from typing import TYPE_CHECKING
+    except ImportError:
+        return False
+    return TYPE_CHECKING
+
+
+REQUIREMENTSLIB_CACHE_DIR = os.getenv("REQUIREMENTSLIB_CACHE_DIR", user_cache_dir("pipenv"))
+MYPY_RUNNING = os.environ.get("MYPY_RUNNING", is_type_checking())