"KeyError: 0" error

[afghanistan21]

When used with slyther and and a solidity version <0.5.x it gives the following error:

File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 741, in main_impl ) = process_all(filename, args, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 83, in process_all ) = process_single(compilation, args, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 68, in process_single return _process(slither, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 115, in _process printer_results = slither.run_printers() File "/home/ethsec/.local/lib/python3.6/site-packages/slither/slither.py", line 195, in run_printers return [p.output(self._crytic_compile.target).data for p in self._printers] File "/home/ethsec/.local/lib/python3.6/site-packages/slither/slither.py", line 195, in return [p.output(self._crytic_compile.target).data for p in self._printers] File "/home/ethsec/.local/lib/python3.6/site-packages/slither/printers/summary/evm.py", line 79, in output evm_info = _extract_evm_info(self.slither) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/printers/summary/evm.py", line 32, in _extract_evm_info cfg = CFG(contract_bytecode_runtime) File "/usr/local/lib/python3.6/dist-packages/evm_cfg_builder/cfg/init.py", line 96, in init self.create_functions() File "/usr/local/lib/python3.6/dist-packages/evm_cfg_builder/cfg/init.py", line 183, in create_functions self.compute_functions(self._basic_blocks[0], True) KeyError: 0 None

Traceback (most recent call last): File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 741, in main_impl ) = process_all(filename, args, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 83, in process_all ) = process_single(compilation, args, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 68, in process_single return _process(slither, detector_classes, printer_classes) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/main.py", line 115, in _process printer_results = slither.run_printers() File "/home/ethsec/.local/lib/python3.6/site-packages/slither/slither.py", line 195, in run_printers return [p.output(self._crytic_compile.target).data for p in self._printers] File "/home/ethsec/.local/lib/python3.6/site-packages/slither/slither.py", line 195, in return [p.output(self._crytic_compile.target).data for p in self._printers] File "/home/ethsec/.local/lib/python3.6/site-packages/slither/printers/summary/evm.py", line 79, in output evm_info = _extract_evm_info(self.slither) File "/home/ethsec/.local/lib/python3.6/site-packages/slither/printers/summary/evm.py", line 32, in _extract_evm_info cfg = CFG(contract_bytecode_runtime) File "/usr/local/lib/python3.6/dist-packages/evm_cfg_builder/cfg/init.py", line 96, in init self.create_functions() File "/usr/local/lib/python3.6/dist-packages/evm_cfg_builder/cfg/init.py", line 183, in create_functions self.compute_functions(self._basic_blocks[0], True) KeyError: 0