id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 30405 IndexError in _get_lines_from_file when module does not match file contents (via loader) Daniel Hahler Hasan Ramezani "{{{ self = filename = '…/project/.venv/lib/python3.7/site-packages/pdb.py' lineno = 230 context_lines = 7 loader = <_frozen_importlib_external.SourceFileLoader object at 0x7f2a73609278> module_name = 'pdb' [23] …/Vcs/django/django/core/handlers/exception.py(90)response_for_exception() -> response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info()) [24] …/Vcs/django/django/core/handlers/exception.py(125)handle_uncaught_exception() -> return debug.technical_500_response(request, *exc_info) [25] …/Vcs/django/django/views/debug.py(94)technical_500_response() -> html = reporter.get_traceback_html() [26] …/Vcs/django/django/views/debug.py(333)get_traceback_html() -> c = Context(self.get_traceback_data(), use_l10n=False) [27] …/Vcs/django/django/views/debug.py(264)get_traceback_data() -> frames = self.get_traceback_frames() [28] …/Vcs/django/django/views/debug.py(427)get_traceback_frames() -> filename, lineno, 7, loader, module_name, 385 try: 386 context_line = source[lineno] 387 except: 388 __import__('pdb').set_trace() 389 -> post_context = source[lineno + 1:upper_bound] 390 391 return lower_bound, pre_context, context_line, post_context (Pdb++) source ['# this file is needed to hijack pdb without eggs', 'import os.path', ""pdb_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'pdb.py')"", 'with open(pdb_path) as f:', "" exec(compile(f.read(), pdb_path, 'exec'))""] }}} It uses the loader (https://github.com/django/django/blob/47885278c669dd7a13a4c3ff7e58e1cbe88af385/django/views/debug.py#L351), which picks up the `pth`, and then the contents does not match the expected line number. I think it should maybe always use the given filename?! " Bug closed Error reporting 2.2 Normal fixed Florian Apolloner Accepted 1 0 0 0 0 0