Refractoring (#88)

Co-authored-by: João Moura <joaomdmoura@gmail.com>

crewai/crew.py

@@ -57,10 +57,7 @@ class Crew(BaseModel):
     @classmethod
     @field_validator("config", mode="before")
     def check_config_type(cls, v: Union[Json, Dict[str, Any]]):
-        """Ensures the 'config' field is a valid JSON or dictionary."""
-        if isinstance(v, Json):
-            return json.loads(v)
-        return v
+        return json.loads(v) if isinstance(v, Json) else v
 
     @model_validator(mode="after")
     def check_config(self):