diff --git a/hrp/parser.go b/hrp/parser.go
index 6941eaf7..3a0d03bb 100644
--- a/hrp/parser.go
+++ b/hrp/parser.go
@@ -454,7 +454,7 @@ func (p *Parser) ParseVariables(variables map[string]interface{}) (map[string]in
 	return parsedVariables, nil
 }
 
-type variableSet map[string]struct{} // TODO
+type variableSet map[string]struct{}
 
 func extractVariables(raw interface{}) variableSet {
 	rawValue := reflect.ValueOf(raw)
diff --git a/httprunner/models.py b/httprunner/models.py
index bb9435f5..8c8ced42 100644
--- a/httprunner/models.py
+++ b/httprunner/models.py
@@ -86,7 +86,6 @@ class TStep(BaseModel):
     retry_interval: int = 0  # sec
 
 
-
 class TestCase(BaseModel):
     config: TConfig
     teststeps: List[TStep]