diff --git a/device-deps-regenerator/README.md b/device-deps-regenerator/README.md
index 03ac5d3..20711e3 100644
--- a/device-deps-regenerator/README.md
+++ b/device-deps-regenerator/README.md
@@ -1,4 +1,4 @@
-1. Use Python 3.2 or higher
+1. Use Python 3.6 or higher
 2. Run `pip3 install -r requirements.txt`
 3. Grab a new token from [here](https://github.com/settings/tokens) - no scopes needed, just a name. Put it in `token`
 4. run `python3 app.py` to generate the full lineage.dependencies mapping
diff --git a/device-deps-regenerator/app.py b/device-deps-regenerator/app.py
index 84a9c3d..9462146 100644
--- a/device-deps-regenerator/app.py
+++ b/device-deps-regenerator/app.py
@@ -91,7 +91,7 @@ with concurrent.futures.ThreadPoolExecutor(max_workers=args.jobs) as executor:
             other_repos.update(data[1])
             print(name, "=>", data[0])
         except Exception as e:
-            print("%r generated an exception: %s" % (name, e))
+            print(f"{name!r} generated an exception: {e}")
             traceback.print_exc()
             continue
     futures = {}
@@ -119,7 +119,7 @@ with concurrent.futures.ThreadPoolExecutor(max_workers=args.jobs) as executor:
                 other_repos.update(data[1])
             print(name, "=>", data[0])
         except Exception as e:
-            print("%r generated an exception: %s" % (name, e))
+            print(f"{name!r} generated an exception: {e}")
             traceback.print_exc()
             continue
     futures = {}
diff --git a/device-deps-regenerator/devices.py b/device-deps-regenerator/devices.py
index 376f1ae..7c50edc 100644
--- a/device-deps-regenerator/devices.py
+++ b/device-deps-regenerator/devices.py
@@ -39,7 +39,7 @@ for repo in mapping:
         continue
     codename = repo.split("_", maxsplit=3)[-1]
     if codename in devices:
-        print("warning: dupe: %s" % codename)
+        print(f"warning: dupe: {codename}")
     devices[codename] = sorted(
         list(set(simplify_reverse_deps({"repo": repo}, codename)))
     )