diff --git a/acro/acro_stata_parser.py b/acro/acro_stata_parser.py
index 2ffc239..78048b4 100644
--- a/acro/acro_stata_parser.py
+++ b/acro/acro_stata_parser.py
@@ -234,7 +234,7 @@ def run_output_command(command: str, varlist: list) -> str:
     first element of varlist is output affected
     rest (if relevant) is string passed to command.
     """
-    outcome=""
+    outcome = ""
     if len(varlist) == 0:
         return "syntax error: please pass the name of the output to be changed"