Traceback (most recent call last):


 "/home/peter/.virtualenvs/blah/bin/s3cmd", line 2919, in <module>

rc = main()


 "/home/peter/.virtualenvs/blah/bin/s3cmd", line 2841, in main

rc = cmd_func(args)


 "/home/peter/.virtualenvs/blah/bin/s3cmd", line 465, in cmd_object_get

remote_list, exclude_list, remote_total_size = fetch_remote_list(args, require_attribs = False)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/
Lists.py", line 455, in fetch_remote_list

objectlist, tmp_total_size = _get_filelist_remote(uri, recursive = True)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/
Lists.py", line 392, in _get_filelist_remote

recursive = recursive, uri_params = uri_params)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 297, in bucket_list

for dirs, objects in self.bucket_list_streaming(bucket, prefix, recursive, uri_params):


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 324, in bucket_list_streaming

response = self.bucket_list_noparse(bucket, prefix, recursive, uri_params)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 343, in bucket_list_noparse

response = self.send_request(request)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 1077, in send_request

method_string, resource, headers = request.get_triplet()


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 199, in get_triplet

self.sign()


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/S3.py", line 195, in sign

bucket_region, self.headers, self.body)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/Crypto.py", line 143, in sign_string_v4

signing_key = getSignatureKey(secret_key, datestamp, region, service)


 "/home/peter/.virtualenvs/blah/local/lib/python2.7/site-packages/S3/Crypto.py", line 86, in getSignatureKey

kDate = sign(encode_to_s3('AWS4' + key), dateStamp)
TypeError: cannot concatenate 'str' and 'NoneType' objects

mythril.interfaces.cli [ERROR]: Traceback (most recent call last):


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/interfaces/cli.py", line 527, in parse_args

disassembler=dissasembler, address=address, parser=parser, args=args


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/interfaces/cli.py", line 435, in execute_command

phrackify=args.phrack,


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/mythril/mythril_analyzer.py", line 110, in graph_html

enable_iprof=self.enable_iprof,


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/analysis/symbolic.py", line 114, in __init__

self.laser.sym_exec(address)


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/laser/ethereum/svm.py", line 135, in sym_exec

self._execute_transactions(main_address)


 "/usr/local/lib/python3.6/dist-packages/mythril-0.20.4-py3.6.egg/mythril/laser/ethereum/svm.py", line 176, in _execute_transactions

for i in range(self.transaction_count):
TypeError: 'NoneType' object cannot be interpreted as an integer
