Fixed dep in setup.py again.

Signed-off-by: Maciej Kurc <mkurc@antmicro.com>

setup.py

diff --git a/setup.py b/setup.py
index 5d5f3ff..fe0b925 100644
--- a/setup.py
+++ b/setup.py
@@ -17,10 +17,11 @@
     install_requires=[
         'lxml',
         'pyjson',
-        'vtr-xml-utils'
+        'vtr_xml_utils @ git+https://github.com/Symbiflow/vtr-xml-utils'
     ],
     dependency_links=[
-        'https://github.com/Symbiflow/vtr-xml-utils/tarball/master#egg=vtr-xml-utils-0.0.1'
+        'https://github.com/Symbiflow/vtr-xml-utils/tarball/'
+        'master#egg=vtr-xml-utils-0.0.1'
     ],
     setup_requires=["pytest-runner"],
     tests_require=[