Traceback (most recent call last):


 "<pyshell#63>", line 1, in <module>

canmatrix.formats.dbc.dump(db1, "testDBC.txt")


 "C:\Users\4NONYM4U5\AppData\Local\Programs\Python\Python37-32\lib\site-packages\canmatrix\formats\dbc.py", line 163, in dump

f.write(header.encode(dbcExportEncoding))
AttributeError: 'str' object has no attribute 'write'
Traceback (most recent call last):


 "uvloop/sslproto.pyx", line 504, in uvloop.loop.SSLProtocol.data_received


 "uvloop/sslproto.pyx", line 204, in uvloop.loop._SSLPipe.feed_ssldata


 "uvloop/sslproto.pyx", line 171, in uvloop.loop._SSLPipe.feed_ssldata


 "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 763, in do_handshake

self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1045)
