Import InvalidVersion properly in pypi script (Azure#37280)

Author: needuv

tools/azure-sdk-tools/pypi_tools/pypi.py

@@ -1,4 +1,4 @@
-from packaging.version import parse as Version
+from packaging.version import InvalidVersion, parse as Version
 import sys
 import pdb
 from urllib3 import Retry, PoolManager
@@ -59,7 +59,7 @@ def get_ordered_versions(self, package_name, filter_by_compatibility=False) -> L
         for package_version in project["releases"].keys():
             try:
                 versions.append(Version(package_version))
-            except packaging.version.InvalidVersion as e:
+            except InvalidVersion as e:
                 logging.warn(f"Invalid version {package_version} for package {package_name}")
                 continue
         versions.sort()