update requirements files (#832)

requirements-test.txt

@@ -19,6 +19,9 @@ pytest-timeout == 1.4.2
 remote-pdb >= 2.1.0
 parameterized >= 0.8.1
 
+# Tools for testing docs
+docutils == 0.17
+
 # For torch.cuda.list_gpu_processes()
 pynvml == 8.0.4
 

requirements.txt

 # FairScale should only depends on torch, not things higher level than torch.
-torch >= 1.6.0
+torch >= 1.7.0