diff --git a/.github/workflows/basic.yml b/.github/workflows/basic.yml
index d42df061..e0f9221b 100644
--- a/.github/workflows/basic.yml
+++ b/.github/workflows/basic.yml
@@ -21,6 +21,7 @@ jobs:
     timeout-minutes: 10
 
     strategy:
+      fail-fast: false
       matrix:
         python: 
           - 2.7.18
@@ -51,6 +52,7 @@ jobs:
     timeout-minutes: 10
 
     strategy:
+      fail-fast: false
       matrix:
         python: 
           - 2.7.18
@@ -62,8 +64,10 @@ jobs:
     - uses: actions/checkout@v3
     - name: Installing dependencies
       run: |
+        echo 'deb http://archive.debian.org/debian stretch main' > /etc/apt/sources.list
+        echo 'deb http://archive.debian.org/debian-security stretch/updates main' >> /etc/apt/sources.list
+        apt-get update || true
         python -m pip install pytest mock
-        apt-get update
         apt install -y voms-clients
     - name: Run pytest
       run: pytest
@@ -75,6 +79,7 @@ jobs:
     timeout-minutes: 10
 
     strategy:
+      fail-fast: false
       matrix:
         python: 
           - 2.7.18
diff --git a/Pilot/pilotCommands.py b/Pilot/pilotCommands.py
index 945a6b78..4815f44b 100644
--- a/Pilot/pilotCommands.py
+++ b/Pilot/pilotCommands.py
@@ -357,10 +357,11 @@ def _localInstallDIRAC(self):
         self._saveEnvInFile()
 
         # 7. pip install DIRAC[pilot]
-        pipInstalling = "pip install %s " % self.pp.pipInstallOptions
+        pipInstallingPrefix = "pip install %s " % self.pp.pipInstallOptions
 
         if self.pp.modules:  # install a non-released (on pypi) version
             for modules in self.pp.modules.split(","):
+                pipInstalling = pipInstallingPrefix
                 branch = project = ""
                 elements = modules.split(":::")
                 url = ""
@@ -385,9 +386,9 @@ def _localInstallDIRAC(self):
         else:
             # pip install DIRAC[pilot]==version ExtensionDIRAC[pilot]==version_ext
             if not self.releaseVersion or self.releaseVersion in ["master", "main", "integration"]:
-                cmd = "%s %sDIRAC[pilot]" % (pipInstalling, self.pp.releaseProject)
+                cmd = "%s %sDIRAC[pilot]" % (pipInstallingPrefix, self.pp.releaseProject)
             else:
-                cmd = "%s %sDIRAC[pilot]==%s" % (pipInstalling, self.pp.releaseProject, self.releaseVersion)
+                cmd = "%s %sDIRAC[pilot]==%s" % (pipInstallingPrefix, self.pp.releaseProject, self.releaseVersion)
             retCode, output = self.executeAndGetOutput(cmd, self.pp.installEnv)
             if retCode:
                 self.log.error("Could not pip install %s [ERROR %d]" % (self.releaseVersion, retCode))