from sys import path
print(path)

% python3 ./a/sys.py
['/home/user/a', '/usr/lib64/python37.zip', '/usr/lib64/python3.7', '/usr/lib64/python3.7/lib-dynload', '/usr/lib64/python3.7/site-packages', '/usr/lib/python3.7/site-packages']

% ./.tox/pyt/bin/pyt -v -v -v -v a/sys.py
[DEBUG] pyt.__main__: Discovered file: a/a.py
[INFO] pyt.__main__: Processing a/a.py
Traceback (most recent call last):
 File "./.tox/pyt/bin/pyt", line 10, in <module>
 sys.exit(main())
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/__main__.py", line 106, in main
 allow_local_directory_imports=args.allow_local_imports
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/make_cfg.py", line 42, in make_cfg
 allow_local_directory_imports
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/expr_visitor.py", line 69, in __init__
 self.init_cfg(node)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/expr_visitor.py", line 76, in init_cfg
 module_statements = self.visit(node)
 File "/usr/lib64/python3.7/ast.py", line 262, in visit
 return visitor(node)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 67, in visit_Module
 return self.stmt_star_handler(node.body)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 88, in stmt_star_handler
 node = self.visit(stmt)
 File "/usr/lib64/python3.7/ast.py", line 262, in visit
 return visitor(node)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 1057, in visit_ImportFrom
 from_from=True
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 807, in add_module
 self.visit(tree)
 File "/usr/lib64/python3.7/ast.py", line 262, in visit
 return visitor(node)
...
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 67, in visit_Module
 return self.stmt_star_handler(node.body)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 88, in stmt_star_handler
 node = self.visit(stmt)
 File "/usr/lib64/python3.7/ast.py", line 262, in visit
 return visitor(node)
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 1057, in visit_ImportFrom
 from_from=True
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/cfg/stmt_visitor.py", line 802, in add_module
 self.local_modules = get_directory_modules(module_path) if self._allow_local_modules else []
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/core/project_handler.py", line 26, in get_directory_modules
 if _is_python_file(path):
 File "/home/user/.tox/pyt/lib/python3.7/site-packages/pyt/core/project_handler.py", line 74, in _is_python_file
 if os.path.splitext(path)[1] == '.py':
 File "/home/user/.tox/pyt/lib64/python3.7/posixpath.py", line 129, in splitext
 return genericpath._splitext(p, sep, None, extsep)
 File "/home/user/.tox/pyt/lib64/python3.7/genericpath.py", line 124, in _splitext
 sepIndex = p.rfind(sep)
RecursionError: maximum recursion depth exceeded while calling a Python object