error in line adj_matrix = load_graph("data/com-amazon.ungraph.txt")

[Sandy4321]

File "e:\Graphs_Netowrks_ML\code\Multiple Local Community Detection multicom-master\multicom_master_changed_to_python3\example.py", line 38, in
adj_matrix = load_graph("data/com-amazon.ungraph.txt")
File "e:\Graphs_Netowrks_ML\code\Multiple Local Community Detection multicom-master\multicom_master_changed_to_python3\multicom.py", line 23, in load_graph
edge_df = pd.read_csv(edgelist_filename, delimiter=delimiter, names=["src", "dst"], comment=comment)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas\io\parsers.py", line 709, in parser_f
return _read(filepath_or_buffer, kwds)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas\io\parsers.py", line 449, in _read
parser = TextFileReader(filepath_or_buffer, **kwds)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas\io\parsers.py", line 818, in init
self._make_engine(self.engine)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas\io\parsers.py", line 1049, in _make_engine
self._engine = CParserWrapper(self.f, **self.options)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas\io\parsers.py", line 1695, in init
self._reader = parsers.TextReader(src, **kwds)
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas_libs\parsers.cp36-win_amd64.pyd", line 402, in pandas._libs.parsers.TextReader.cinit
File "C:\Users\sndr\Anaconda3\Lib\site-packages\pandas_libs\parsers.cp36-win_amd64.pyd", line 718, in pandas._libs.parsers.TextReader._setup_parser_source

builtins.FileNotFoundError: File b'data/com-amazon.ungraph.txt' does not exist