Update setup.py

Author: lucasmcdonald3

setup.py

@@ -43,7 +43,7 @@ def get_requirements():
     # TODO-MPL: Point at PyPI once MPL is released.
     # This blocks releasing ESDK-Python MPL integration.
     extras_require={
-        "MPL": ["aws-cryptographic-material-providers @" \
+        "MPL": ["aws-cryptographic-material-providers @" \ 
                 "git+https://github.com/aws/aws-cryptographic-material-providers-library.git@" \
                 "python-main-with-dafny-code#subdirectory=AwsCryptographicMaterialProviders/runtimes/python"],
     },