Merge pull request #16363 from alyf-de/fullargspec

refactor: call getfullargspec only once

frappe/__init__.py

@@ -1251,9 +1251,10 @@ def get_newargs(fn, kwargs):
 	if hasattr(fn, 'fnargs'):
 		fnargs = fn.fnargs
 	else:
-		fnargs = inspect.getfullargspec(fn).args
-		fnargs.extend(inspect.getfullargspec(fn).kwonlyargs)
-		varkw = inspect.getfullargspec(fn).varkw
+		fullargspec = inspect.getfullargspec(fn)
+		fnargs = fullargspec.args
+		fnargs.extend(fullargspec.kwonlyargs)
+		varkw = fullargspec.varkw
 
 	newargs = {}
 	for a in kwargs: