Adding pip requirement to Keras frontend README.md

hpvm/projects/keras/README.md

@@ -2,6 +2,21 @@
 
 ## Installing Dependencies
 
+### Updating pip
+The pip version required in this subproject must be >= `19.3`.
+
+To upgrade pip:
+
+```
+pip install --upgrade pip
+```
+
+To check installed pip version:
+
+```
+pip -V
+```
+
 ### Importing Conda Environment:
 
 ```