Fix manylinux script

to debug you can use:
docker run --rm --init -it quay.io/pypa/manylinux2010_x86_64:latest

tools/docker/build-manylinux1.sh

@@ -191,7 +191,7 @@ do
 
     # Save old hash and size, in order to look them up in RECORD
     # see: https://github.com/pypa/pip/blob/c9df690f3b5bb285a855953272e6fe24f69aa08a/src/pip/_internal/wheel.py#L71-L84
-    WHEEL_HASH_CMD="/opt/_internal/cpython-3.7.5/bin/python3 -c \
+    WHEEL_HASH_CMD="/opt/_internal/cpython-3.7.6/bin/python3 -c \
 \"import hashlib;\
 import base64;\
 print(\

tools/docker/manylinux1.Dockerfile

@@ -53,7 +53,7 @@ RUN curl --location-trusted \
 && rm -rf swig-3.0.12
 
 # Update auditwheel to support manylinux2010
-#RUN /opt/_internal/cpython-3.6.8/bin/pip install auditwheel==2.0.0
+#RUN /opt/_internal/cpython-3.7.6/bin/pip install auditwheel==2.0.0
 
 ENV TZ=America/Los_Angeles
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone