FileNotFoundError: [Errno 2] No such file or directory: 'libpng-1.6.7.tar.gz'

[ezust]

Trying this for my first time...
This is probably just a version bump or something needed but I thought I'd report it here since it's still new to me.

[C:\Users\r4hr-dev\Workspace\matplotlib-winbuild]build_dep.cmd
C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\ft2411.zip => C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\matplo
tlib-head-build-dependencies\ft2411.zip
1 file copied
C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\zlib128.zip => C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\matpl
otlib-head-build-dependencies\zlib128.zip
1 file copied
Fetching http://hivelocity.dl.sourceforge.net/project/libpng/libpng16/1.6.7/libpng-1.6.7.tar.gz
Traceback (most recent call last):
File "helpers\fetch.py", line 5, in
content = urllib.request.urlopen(sys.argv[1]).read()
File "C:\Python33\lib\urllib\request.py", line 156, in urlopen
return opener.open(url, data, timeout)
File "C:\Python33\lib\urllib\request.py", line 475, in open
response = meth(req, response)
File "C:\Python33\lib\urllib\request.py", line 587, in http_response
'http', request, response, code, msg, hdrs)
File "C:\Python33\lib\urllib\request.py", line 507, in error
result = self._call_chain(_args)
File "C:\Python33\lib\urllib\request.py", line 447, in _call_chain
result = func(_args)
File "C:\Python33\lib\urllib\request.py", line 692, in http_error_302
return self.parent.open(new, timeout=req.timeout)
File "C:\Python33\lib\urllib\request.py", line 475, in open
response = meth(req, response)
File "C:\Python33\lib\urllib\request.py", line 587, in http_response
'http', request, response, code, msg, hdrs)
File "C:\Python33\lib\urllib\request.py", line 513, in error
return self._call_chain(_args)
File "C:\Python33\lib\urllib\request.py", line 447, in _call_chain
result = func(_args)
File "C:\Python33\lib\urllib\request.py", line 595, in http_error_default
raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 404: Not Found
Traceback (most recent call last):
File "helpers\untar.py", line 2, in
with tarfile.open(sys.argv[1], 'r:gz') as tgz:
File "C:\Python33\lib\tarfile.py", line 1591, in open
return func(name, filemode, fileobj, **kwargs)
File "C:\Python33\lib\tarfile.py", line 1638, in gzopen
fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj)
File "C:\Python33\lib\gzip.py", line 184, in init
fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
FileNotFoundError: [Errno 2] No such file or directory: 'libpng-1.6.7.tar.gz'
TCC: (Sys) C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\build_dep.cmd [33] The system cannot find the file speci
fied.
"C:\Users\r4hr-dev\Workspace\matplotlib-winbuild\libpng-1.6.7.tar.gz"
0 files copied