diff --git a/.gitignore b/.gitignore
index e7673f3..22ec05a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,7 +68,7 @@ target/
 .ipynb_checkpoints
 
 # pyenv
-.python-version
+# .python-version
 
 # celery beat schedule file
 celerybeat-schedule
@@ -88,3 +88,6 @@ ENV/
 
 # Pycharm editor
 .idea/
+
+# Vim or Emac
+.tags
diff --git a/.python-version b/.python-version
new file mode 100644
index 0000000..444877d
--- /dev/null
+++ b/.python-version
@@ -0,0 +1 @@
+3.5.3