diff --git a/fdroid b/fdroid
index 4147119d..d0924b4d 100755
--- a/fdroid
+++ b/fdroid
@@ -156,7 +156,7 @@ def main():
     # str(e) often doesn't contain a reason, so just show the backtrace
     except Exception as e:
         logging.critical(_("Unknown exception found!"))
-        raise
+        raise e
     sys.exit(0)
 
 
diff --git a/fdroidserver/verify.py b/fdroidserver/verify.py
index 03787179..9e335563 100644
--- a/fdroidserver/verify.py
+++ b/fdroidserver/verify.py
@@ -83,7 +83,7 @@ def main():
                 logging.info("...retrieving " + url)
                 try:
                     net.download_file(url, dldir=tmp_dir)
-                except requests.exceptions.HTTPError as e:
+                except requests.exceptions.HTTPError:
                     try:
                         net.download_file(url.replace('/repo', '/archive'), dldir=tmp_dir)
                     except requests.exceptions.HTTPError as e:
diff --git a/makebuildserver b/makebuildserver
index 11e68e9c..5b859a04 100755
--- a/makebuildserver
+++ b/makebuildserver
@@ -74,7 +74,7 @@ config = {
 if os.path.isfile('/usr/bin/systemd-detect-virt'):
     try:
         virt = subprocess.check_output('/usr/bin/systemd-detect-virt').strip().decode('utf-8')
-    except subprocess.CalledProcessError as e:
+    except subprocess.CalledProcessError:
         virt = 'none'
     if virt == 'qemu' or virt == 'kvm' or virt == 'bochs':
         logger.info('Running in a VM guest, defaulting to QEMU/KVM via libvirt')