Update mypy infrastructure

Port cinder change Id69cb519ee7300b33ff087de4e7d46cdad67d162
to os-brick.

Change-Id: I57ce2aea95fa0d307a2cab89366f8f780a109535

test-requirements.txt

@@ -16,4 +16,4 @@ pycodestyle==2.6.0 # MIT
 doc8>=0.8.1 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 bandit>=1.6.0,<1.7.0 # Apache-2.0
-mypy>=0.782 # MIT
+mypy>=0.910 # MIT

tools/mypywrap.sh

@@ -17,8 +17,8 @@ export MYPYPATH=$ROOT_DIR/../os_brick/tests/stubs/
 if [ $# -eq 0 ]; then
     # if no arguments provided, use the standard converted lists
     lines=$(grep -v '#' $ROOT_DIR/../mypy-files.txt)
-    python -m mypy ${lines[@]}
+    python -m mypy $OS_MYPY_OPTS ${lines[@]}
 else
     # else test what the user asked us to
-    python -m mypy $@
+    python -m mypy $OS_MYPY_OPTS $@
 fi

tox.ini

@@ -140,5 +140,7 @@ usedevelop = False
 [testenv:mypy]
 description =
   Run type checks.
+setenv =
+  OS_MYPY_OPTS=--install-types --non-interactive
 commands =
   bash tools/mypywrap.sh {posargs}