Update src/qcodes/utils/function_helpers.py

Co-authored-by: Jens Hedegaard Nielsen <jenshnielsen@gmail.com>

Author: eendebakpt

src/qcodes/utils/function_helpers.py

@@ -22,7 +22,7 @@ def is_function(f: object, arg_count: int, coroutine: bool | None = False) -> bo
     if not callable(f):
         return False
     if coroutine is not None:
-        if  bool(coroutine) is not iscoroutinefunction(f):
+        if bool(coroutine) is not iscoroutinefunction(f):
             return False
 
     if isinstance(f, type):