Downloading/unpacking kivy==1.8.0 (from -r requirements.txt (line 7))
  Downloading Kivy-1.8.0.tar.gz (14.7MB): 14.7MB downloaded
  Running setup.py egg_info for package kivy
    [INFO   ] Kivy v1.8.0
    Package gstreamer-1.0 was not found in the pkg-config search path.
    Perhaps you should add the directory containing `gstreamer-1.0.pc'
    to the PKG_CONFIG_PATH environment variable
    No package 'gstreamer-1.0' found
     Traceback (most recent call last):
       File "<string>", line 16, in <module>
       File "/Users/dustin/.virtualenvs/zeus/build/kivy/setup.py", line 373, in <module>
         base_flags = determine_base_flags()
       File "/Users/dustin/.virtualenvs/zeus/build/kivy/setup.py", line 280, in determine_base_flags
         'System/Library/Frameworks')
       File "/Users/dustin/.virtualenvs/zeus/bin/../lib/python3.3/posixpath.py", line 92, in join
         "components.") from None
     TypeError: Can't mix strings and bytes in path components.
    Xcode detected at b'/Applications/Xcode.app/Contents/Developer', and using MacOSX10.9 sdk
    Complete output from command python setup.py egg_info:
    [INFO   ] Kivy v1.8.0

Package gstreamer-1.0 was not found in the pkg-config search path.

Perhaps you should add the directory containing `gstreamer-1.0.pc'

to the PKG_CONFIG_PATH environment variable

No package 'gstreamer-1.0' found

 Traceback (most recent call last):

   File "<string>", line 16, in <module>

   File "/Users/dustin/.virtualenvs/zeus/build/kivy/setup.py", line 373, in <module>

     base_flags = determine_base_flags()

   File "/Users/dustin/.virtualenvs/zeus/build/kivy/setup.py", line 280, in determine_base_flags

     'System/Library/Frameworks')

   File "/Users/dustin/.virtualenvs/zeus/bin/../lib/python3.3/posixpath.py", line 92, in join

     "components.") from None

 TypeError: Can't mix strings and bytes in path components.

Xcode detected at b'/Applications/Xcode.app/Contents/Developer', and using MacOSX10.9 sdk

----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /Users/dustin/.virtualenvs/zeus/build/kivy
Storing complete log in /Users/dustin/.pip/pip.log
make: *** [develop] Error 1