Add project files.

env/Lib/site-packages/gunicorn/errors.py

@@ -0,0 +1,28 @@
+#
+# This file is part of gunicorn released under the MIT license.
+# See the NOTICE for more information.
+
+# We don't need to call super() in __init__ methods of our
+# BaseException and Exception classes because we also define
+# our own __str__ methods so there is no need to pass 'message'
+# to the base class to get a meaningful output from 'str(exc)'.
+# pylint: disable=super-init-not-called
+
+
+# we inherit from BaseException here to make sure to not be caught
+# at application level
+class HaltServer(BaseException):
+    def __init__(self, reason, exit_status=1):
+        self.reason = reason
+        self.exit_status = exit_status
+
+    def __str__(self):
+        return "<HaltServer %r %d>" % (self.reason, self.exit_status)
+
+
+class ConfigError(Exception):
+    """ Exception raised on config error """
+
+
+class AppImportError(Exception):
+    """ Exception raised when loading an application """