diff --git a/.gitignore b/.gitignore
index 2f66383..332daf2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ build
 MANIFEST
 doc/_build
 *~
-doc/*.zip
\ No newline at end of file
+doc/*.zip
+*.egg-info
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 0ed1cb6..bcb2af6 100644
--- a/setup.py
+++ b/setup.py
@@ -12,56 +12,109 @@
 def read(fname):
     return open(os.path.join(os.path.dirname(__file__), fname)).read()
 
-extras = {}
-if sys.version_info >= (3,):
-    extras['use_2to3'] = True
+try:
+    extras = {}
+    if sys.version_info >= (3,):
+        extras['use_2to3'] = True
+
+    readme = 'README'
+
+    distutils.core.setup(
+        name='ad',
+        version='1.3.2',
+        author='Abraham Lee',
+        author_email='tisimst@gmail.com',
+        description='Fast, transparent first- and second-order automatic differentiation',
+        url='http://pythonhosted.org/ad',
+        license='BSD License',
+        long_description=read(readme),
+        package_data={'': [readme]},
+        #include_package_data=True,
+        packages=['ad', 'ad.admath', 'ad.linalg'],
+        keywords=[
+            'automatic differentiation',
+            'first order',
+            'second order',
+            'derivative',
+            'algorithmic differentiation',
+            'computational differentiation',
+            'optimization',
+            'linear algebra'
+            ],
+        classifiers=[
+            'Development Status :: 5 - Production/Stable',
+            'Intended Audience :: Education',
+            'Intended Audience :: Science/Research',
+            'License :: OSI Approved :: BSD License',
+            'Operating System :: OS Independent',
+            'Programming Language :: Python',
+            'Programming Language :: Python :: 2.6',
+            'Programming Language :: Python :: 2.7',
+            'Programming Language :: Python :: 3.0',
+            'Programming Language :: Python :: 3.1',
+            'Programming Language :: Python :: 3.2',
+            'Programming Language :: Python :: 3.3',
+            'Topic :: Education',
+            'Topic :: Scientific/Engineering',
+            'Topic :: Scientific/Engineering :: Mathematics',
+            'Topic :: Scientific/Engineering :: Physics',
+            'Topic :: Software Development',
+            'Topic :: Software Development :: Libraries',
+            'Topic :: Software Development :: Libraries :: Python Modules',
+            'Topic :: Utilities'
+            ],
+        cmdclass={'build_py': build_py},
+        **extras
+        )
+except:
+    extras = {}
 
-readme = 'README'
+    readme = 'README'
 
-distutils.core.setup(
-    name='ad',
-    version='1.3.2',
-    author='Abraham Lee',
-    author_email='tisimst@gmail.com',
-    description='Fast, transparent first- and second-order automatic differentiation',
-    url='http://pythonhosted.org/ad',
-    license='BSD License',
-    long_description=read(readme),
-    package_data={'': [readme]},
-    #include_package_data=True,
-    packages=['ad', 'ad.admath', 'ad.linalg'],
-    keywords=[
-        'automatic differentiation',
-        'first order',
-        'second order',
-        'derivative',
-        'algorithmic differentiation',
-        'computational differentiation',
-        'optimization',
-        'linear algebra'
-        ],
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Education',
-        'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: BSD License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2.6',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.0',
-        'Programming Language :: Python :: 3.1',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
-        'Topic :: Education',
-        'Topic :: Scientific/Engineering',
-        'Topic :: Scientific/Engineering :: Mathematics',
-        'Topic :: Scientific/Engineering :: Physics',
-        'Topic :: Software Development',
-        'Topic :: Software Development :: Libraries',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-        'Topic :: Utilities'
-        ],
-    cmdclass={'build_py': build_py},
-    **extras
-    )
+    distutils.core.setup(
+        name='ad',
+        version='1.3.2',
+        author='Abraham Lee',
+        author_email='tisimst@gmail.com',
+        description='Fast, transparent first- and second-order automatic differentiation',
+        url='http://pythonhosted.org/ad',
+        license='BSD License',
+        long_description=read(readme),
+        package_data={'': [readme]},
+        #include_package_data=True,
+        packages=['ad', 'ad.admath', 'ad.linalg'],
+        keywords=[
+            'automatic differentiation',
+            'first order',
+            'second order',
+            'derivative',
+            'algorithmic differentiation',
+            'computational differentiation',
+            'optimization',
+            'linear algebra'
+            ],
+        classifiers=[
+            'Development Status :: 5 - Production/Stable',
+            'Intended Audience :: Education',
+            'Intended Audience :: Science/Research',
+            'License :: OSI Approved :: BSD License',
+            'Operating System :: OS Independent',
+            'Programming Language :: Python',
+            'Programming Language :: Python :: 2.6',
+            'Programming Language :: Python :: 2.7',
+            'Programming Language :: Python :: 3.0',
+            'Programming Language :: Python :: 3.1',
+            'Programming Language :: Python :: 3.2',
+            'Programming Language :: Python :: 3.3',
+            'Topic :: Education',
+            'Topic :: Scientific/Engineering',
+            'Topic :: Scientific/Engineering :: Mathematics',
+            'Topic :: Scientific/Engineering :: Physics',
+            'Topic :: Software Development',
+            'Topic :: Software Development :: Libraries',
+            'Topic :: Software Development :: Libraries :: Python Modules',
+            'Topic :: Utilities'
+            ],
+        cmdclass={'build_py': build_py},
+        **extras
+        )