Fix for Netbox issue 4910

Author: dgarros

development/Dockerfile

@@ -13,8 +13,11 @@ RUN pip install --upgrade pip\
 # -------------------------------------------------------------------------------------
 # Install NetBox
 # -------------------------------------------------------------------------------------
+# Remove redis==3.4.1 from the requirements.txt file as a workaround to #4910
+# https://github.com/netbox-community/netbox/issues/4910, required for version 2.8.8 and earlier
 RUN git clone --single-branch --branch ${netbox_ver} https://github.com/netbox-community/netbox.git /opt/netbox/ && \
     cd /opt/netbox/ && \
+    sed -i '/^redis\=\=/d' /opt/netbox/requirements.txt && \
     pip install -r /opt/netbox/requirements.txt
 
 # Make the django-debug-toolbar always visible when DEBUG is enabled,