Update gitignore

Author: Francisco Muñoz

.gitignore

@@ -97,6 +97,7 @@ celerybeat-schedule
 # virtualenv
 venv/
 ENV/
+.venv/
 
 # Spyder project settings
 .spyderproject
@@ -120,4 +121,4 @@ debug
 .vscode
 
 # pytest cahche
-.pytest_cache
+.pytest_cache