updated requirements

requirements.txt

@@ -5,6 +5,8 @@ click==7.1.2
 elasticsearch==5.5.3
 elasticsearch-dsl==5.4.0
 fastapi==0.55.1
+gitdb==4.0.5
+GitPython==3.1.3
 h11==0.9.0
 httptools==0.1.1
 isort==4.3.21
@@ -18,6 +20,7 @@ pylint==2.5.3
 python-dateutil==2.8.1
 rope==0.17.0
 six==1.15.0
+smmap==3.0.4
 starlette==0.13.2
 toml==0.10.1
 typed-ast==1.4.1