Dear Maintainers: This problem occurred when1. Windows platform2. Python is installed on non-Latin path (for example: path contains Chinese character).3. try to "pip install theano" And I found the problem is in distutils.command.build_scripts module's copy_scripts function, on line 106 executable = os.fsencode(executable) shebang = b"#!" + executable + post_interp + b"\n" try: shebang.decode('utf-8') actually os.fsencode will encode the path into GBK encoding on windows, it's certainly that will fail to decode via utf-8. Solution: #executable = os.fsencode(executable) (delete this line)executable = executable.encode('utf-8') Theano successfully installed after this patch.
Thank you!Bowen Yu
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