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import random
from tenacity import retry, before, retry_if_exception_type, stop_after_attempt
 
class ExpiredTokenException(Exception):
    pass
 
class external_http_request_interface:
    def get_token(self):
        return "some token"
 
    def make_request(self, token, request):
        if (random.randint(0, 5) < 3):
            raise ExpiredTokenException("Your token has expired!")
        return "Request result for: " + str(request)
 
def old_way():
    http = external_http_request_interface()
    token = http.get_token()
 
    # Do some stuff with your token here...
 
    attempts = 0
    while (attempts < 10):
        try:
            result = http.make_request(token, "some request")
        except ExpiredTokenException:
            token = http.get_token()
            continue
 
        print(result)
 
        break
 
@retry(retry=retry_if_exception_type(ExpiredTokenException),
   stop=stop_after_attempt(10),
   before=(token = external_http_request_interface.get_token(http)))
def part_to_retry(http, token):
    result = http.make_request(token, "some request")
    return result
 
def new_way():
    http = external_http_request_interface()
    token = http.get_token()
 
    return part_to_retry(http, token)
 
 
old_way()
new_way()
 

Traceback (most recent call last):
  File "/usr/lib/python3.5/py_compile.py", line 125, in compile
    _optimize=optimize)
  File "<frozen importlib._bootstrap_external>", line 735, in source_to_code
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "./prog.py", line 36
    before=(token = external_http_request_interface.get_token(http)))
                  ^
SyntaxError: invalid syntax

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3.5/py_compile.py", line 129, in compile
    raise py_exc
py_compile.PyCompileError:   File "./prog.py", line 36
    before=(token = external_http_request_interface.get_token(http)))
                  ^
SyntaxError: invalid syntax

Standard output is empty