Merge pull request #418 from MongoEngine/fix-setup.py

setup.py comma and related deploy problem

Author: insspb

setup.py

@@ -68,7 +68,7 @@ def get_version(version_tuple):
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: Implementation :: PyPy"
+        "Programming Language :: Python :: Implementation :: PyPy",
         "Programming Language :: Python :: Implementation :: CPython",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
         "Topic :: Software Development :: Libraries :: Python Modules",