Merge remote-tracking branch 'origin/master' into einsum

.gitignore

@@ -110,4 +110,7 @@ venv.bak/
 design-einops.txt
 
 # logo and video generation
-logo
+logo
+
+# code of internal checks
+_uncommited_explorations

setup.py

@@ -16,6 +16,7 @@
     classifiers=[
         'Intended Audience :: Science/Research',
         'Programming Language :: Python :: 3 ',
+        'License :: OSI Approved :: MIT License',
     ],
     keywords='deep learning, neural networks, tensor manipulation, machine learning, '
              'scientific computations, einops',

test.py

@@ -22,8 +22,12 @@ def run(cmd, **env):
 
 
 # check we have nvidia-smi
-output, _ = Popen('which nvidia-smi'.split(' '), stdout=PIPE).communicate()
-have_cuda = b'nvidia' in output
+import shutil
+have_cuda = False
+if shutil.which('nvidia-smi') is not None:
+    output, _ = Popen('nvidia-smi'.split(' '), stdout=PIPE).communicate()
+    if b'failed because' not in output:
+        have_cuda = True
 
 # install cupy. It can't be installed without cuda available (with compilers).
 skip_cupy = not have_cuda