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I have a scraping project with django. Everything work fine, but terminal shows this error:
builtins.TypeError: _findCaller() takes from 1 to 2 positional arguments but 3 were given
What is this error?
How can I handle it?
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 134, in err
msg(failure=_stuff, why=_why, isError=1, **kw)
File "/usr/lib/python3/dist-packages/twisted/python/threadable.py", line 53, in sync
return function(self, *args, **kwargs)
File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 286, in msg
_publishNew(self._publishPublisher, actualEventDict, textFromEventDict)
File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 154, in publishToNewObserver
observer(eventDict)
--- <exception caught here> ---
File "/usr/lib/python3/dist-packages/twisted/logger/_observer.py", line 131, in __call__
observer(event)
File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 93, in __call__
self.legacyObserver(event)
File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 595, in emit
_publishNew(self._newObserver, eventDict, textFromEventDict)
File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 154, in publishToNewObserver
observer(eventDict)
File "/usr/lib/python3/dist-packages/twisted/logger/_stdlib.py", line 115, in __call__
self.logger.log(
File "/usr/lib/python3.8/logging/__init__.py", line 1500, in log
self._log(level, msg, args, **kwargs)
File "/usr/lib/python3.8/logging/__init__.py", line 1565, in _log
fn, lno, func, sinfo = self.findCaller(stack_info, stacklevel)
builtins.TypeError: _findCaller() takes from 1 to 2 positional arguments but 3 were given
421
The Python "TypeError: takes 2 positional arguments but 3 were given" occurs for multiple reasons: Forgetting to specify the self argument in a class method. Forgetting to specify a third argument in a function's definition. Passing three arguments to a function that only takes two.
In this situation, we either have to update the function's declaration and take a second argument or remove the second argument from the function call.
A positional argument in Python is an argument whose position matters in a function call. You have likely used positional arguments without noticing. For instance: def info(name, age): print(f"Hi, my name is {name}.
The Python SyntaxError: positional argument follows keyword argument occurs when you try to specify a positional argument after a keyword argument in a function call.
This could be result of compatibility with older versions as per the documention in ..logging/__init__.py
setting _srcfile = None should avoid raising TypeError
_srcfile is only used in conjunction with sys._getframe(). To provide compatibility with older versions of Python, set _srcfile to None if _getframe() is not available; this value will prevent findCaller() from being called. You can also do this if you want to avoid the overhead of fetching caller information, even when _getframe() is available.
if not hasattr(sys, '_getframe'):
_srcfile = None
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