Update PyTorch to 1.4.0 (#848)

Author: deliahu

docs/deployments/python.md

@@ -145,7 +145,7 @@ The following packages have been pre-installed and can be used in your implement
 
 ```text
 boto3==1.10.45
-cloudpickle==1.2.2
+cloudpickle==1.3.0
 dill==0.3.1.1
 joblib==0.14.1
 Keras==2.3.1
@@ -167,8 +167,8 @@ sympy==1.5
 tensor2tensor==1.15.4
 tensorflow-hub==0.7.0
 tensorflow==2.1.0
-torch==1.3.1
-torchvision==0.4.2
+torch==1.4.0
+torchvision==0.5.0
 xgboost==0.90
 ```
 

pkg/workloads/cortex/serve/python-cpu.requirements.txt

@@ -1,6 +1,6 @@
 tensorflow-cpu==2.1.0
 
-cloudpickle==1.2.2
+cloudpickle==1.3.0
 joblib==0.14.1
 Keras==2.3.1
 nltk==3.4.5
@@ -16,8 +16,8 @@ statsmodels==0.10.2
 sympy==1.5
 tensor2tensor==1.15.4
 tensorflow-hub==0.7.0
-torch==1.3.1
-torchvision==0.4.2
+torch==1.4.0
+torchvision==0.5.0
 xgboost==0.90
 
 uvicorn==0.11.3

pkg/workloads/cortex/serve/python-gpu.requirements.txt

@@ -1,6 +1,6 @@
 tensorflow-gpu==2.1.0
 
-cloudpickle==1.2.2
+cloudpickle==1.3.0
 joblib==0.14.1
 Keras==2.3.1
 nltk==3.4.5
@@ -16,8 +16,8 @@ statsmodels==0.10.2
 sympy==1.5
 tensor2tensor==1.15.4
 tensorflow-hub==0.7.0
-torch==1.3.1
-torchvision==0.4.2
+torch==1.4.0
+torchvision==0.5.0
 xgboost==0.90
 
 uvicorn==0.11.3