Remove deprecated use of count as positional arg

Python 13 requires count to be passed as a kwarg rather than a
positional arg because of potential confusion with flags, see
python/cpython#56166

Signed-off-by: Paul Elliott <[email protected]>

Author: paul-elliott-arm

scripts/generate_test_code.py

@@ -762,7 +762,7 @@ def escaped_split(inp_str, split_char):
         raise ValueError('Expected split character. Found string!')
     out = re.sub(r'(\\.)|' + split_char,
                  lambda m: m.group(1) or '\n', inp_str,
-                 len(inp_str)).split('\n')
+                 count = len(inp_str)).split('\n')
     out = [x for x in out if x]
     return out