I ran install.py, and appeared this:
Last login: Sun Sep 16 21:24:19 on ttys001
cd '/Users/usuario/Library/Application Support/minecraft/bin/forge/' && '/usr/local/bin/pythonw' '/Users/usuario/Library/Application Support/minecraft/bin/forge/install.py' && echo Exit status: $? && exit 1
macbook-de-usuario-2:~ usuario$ cd '/Users/usuario/Library/Application Support/minecraft/bin/forge/' && '/usr/local/bin/pythonw' '/Users/usuario/Library/Application Support/minecraft/bin/forge/install.py' && echo Exit status: $? && exit 1================ Forge ModLoader Setup Start ===================
Setting up MCP
> Backing up commands.py
Traceback (most recent call last):
File "/Users/usuario/Library/Application Support/minecraft/bin/forge/install.py", line 40, in <module>
main()
File "/Users/usuario/Library/Application Support/minecraft/bin/forge/install.py", line 18, in main
setup_mcp(fml_dir, mcp_dir, True)
File "/Users/usuario/Library/Application Support/minecraft/bin/forge/fml/fml.py", line 552, in setup_mcp
shutil.copy(runtime, backup)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 116, in copy
copyfile(src, dst)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py", line 81, in copyfile
with open(src, 'rb') as fsrc:
IOError: [Errno 2] No such file or directory: '/Users/usuario/Library/Application Support/minecraft/bin/runtime/commands.py'