matrix prometheus_client dependency

src/freedombone-app-matrix

@@ -682,7 +682,6 @@ function upgrade_matrix {
     $MATRIX_PIP install --upgrade --force "canonicaljson>=1.1.3"
     $MATRIX_PIP install --upgrade --force "phonenumbers>=8.2.0"
     $MATRIX_PIP install --upgrade --force "sortedcontainers>=2.0.4"
-    $MATRIX_PIP install --upgrade --force "prometheus_client>=0.3.0"
     $MATRIX_PIP install --upgrade --force "daemonize>=2.3.1"
     $MATRIX_PIP install --upgrade --force "pymacaroons-pynacl>=0.9.3"
     $MATRIX_PIP install --upgrade --force "Twisted>=17.1.0"
@@ -693,6 +692,7 @@ function upgrade_matrix {
     $MATRIX_PIP install --upgrade --force "pysaml2>=3.0.0"
     $MATRIX_PIP install --upgrade --force "signedjson>=1.0.0"
     $MATRIX_PIP install --upgrade --force "psutil>=2.0.0"
+    $MATRIX_PIP install --upgrade --force "prometheus_client>=0.0.18,<0.4.0"
 
     echo 'Upgrading Matrix/Synapse. This may take a long time.'
     $MATRIX_PIP install --upgrade --process-dependency-links .
@@ -1082,7 +1082,7 @@ function install_matrix {
 
     increment_app_install_progress
 
-    $MATRIX_PIP install --upgrade --force "prometheus_client>=0.3.0"
+    $MATRIX_PIP install --upgrade --force "prometheus_client>=0.0.18,<0.4.0"
 
     increment_app_install_progress