Small formatting edit

Author: xaviernogueira

src/odm2datamodels/base.py

@@ -53,7 +53,7 @@ def from_dict(cls, attributes_dict:Dict) -> object:
                 setattr(instance, key, value)
         return instance
 
-    def to_dict(self) -> Dict[str,Any]:
+    def to_dict(self) -> Dict[str, Any]:
         """Converts attributes into a dictionary"""
         columns = self.__table__.columns.keys()
         output_dict = {}