Remove unused code in packaging.pypi.dist
diff --git a/Lib/packaging/pypi/dist.py b/Lib/packaging/pypi/dist.py
index d3824c2..dbf6459 100644
--- a/Lib/packaging/pypi/dist.py
+++ b/Lib/packaging/pypi/dist.py
@@ -7,15 +7,13 @@
distribution objects contain download-related information.
"""
-import sys
-import mimetypes
import re
+import hashlib
import tempfile
import urllib.request
import urllib.parse
import urllib.error
import urllib.parse
-import hashlib
from shutil import unpack_archive
from packaging.errors import IrrationalVersionError
@@ -318,7 +316,6 @@
path = tempfile.mkdtemp()
filename = self.download(path)
- content_type = mimetypes.guess_type(filename)[0]
unpack_archive(filename, path)
self._unpacked_dir = path