diff --git a/upstream_utils/update_eigen.py b/upstream_utils/update_eigen.py
index 55d400db61..e04689a292 100755
--- a/upstream_utils/update_eigen.py
+++ b/upstream_utils/update_eigen.py
@@ -73,12 +73,8 @@ def eigen_inclusions(dp, f):
     ]
     modules_rgx = r"|".join("/" + m for m in modules)
 
-    # "Std" matches StdDeque, StdList, and StdVector headers
-    if re.search(modules_rgx, abspath) or "Std" in f:
-        return True
-    else:
-        # Exclude all other modules
-        return False
+    # "Std" matches StdDeque, StdList, and StdVector headers. Other modules are excluded.
+    return bool(re.search(modules_rgx, abspath) or "Std" in f)
 
 
 def unsupported_inclusions(dp, f):
diff --git a/upstream_utils/update_llvm.py b/upstream_utils/update_llvm.py
index 03e1f4d201..c2ebd124d4 100755
--- a/upstream_utils/update_llvm.py
+++ b/upstream_utils/update_llvm.py
@@ -126,12 +126,12 @@ def overwrite_files(wpiutil_files, llvm_files):
 
     for wpi_file in wpiutil_files:
         wpi_base_name = os.path.basename(wpi_file)
-        if wpi_base_name not in llvm_files:
-            if wpi_base_name not in unmatched_files_whitelist:
-                print(f"No file match for {wpi_file}, check if LLVM deleted it")
-        else:
+        if wpi_base_name in llvm_files:
             shutil.copyfile(llvm_files[wpi_base_name], wpi_file)
 
+        elif wpi_base_name not in unmatched_files_whitelist:
+            print(f"No file match for {wpi_file}, check if LLVM deleted it")
+
 
 def overwrite_source(wpiutil_root, llvm_root):
     llvm_files = flattened_llvm_files(
diff --git a/wpiutil/examples/printlog/datalog.py b/wpiutil/examples/printlog/datalog.py
index 30a7dee714..b1035dd12b 100755
--- a/wpiutil/examples/printlog/datalog.py
+++ b/wpiutil/examples/printlog/datalog.py
@@ -153,17 +153,17 @@ class DataLogRecord:
         return arr
 
     def getStringArray(self) -> List[str]:
-        size = int.from_bytes(self.data[0:4], byteorder="little", signed=False)
+        size = int.from_bytes(self.data[:4], byteorder="little", signed=False)
         if size > ((len(self.data) - 4) / 4):
             raise TypeError("not a string array")
         arr = []
         pos = 4
-        for i in range(size):
+        for _ in range(size):
             val, pos = self._readInnerString(pos)
             arr.append(val)
         return arr
 
-    def _readInnerString(self, pos: int) -> str:
+    def _readInnerString(self, pos: int) -> tuple[str, int]:
         size = int.from_bytes(
             self.data[pos : pos + 4], byteorder="little", signed=False
         )
@@ -225,7 +225,7 @@ class DataLogReader:
         """Returns true if the data log is valid (e.g. has a valid header)."""
         return (
             len(self.buf) >= 12
-            and self.buf[0:6] == b"WPILOG"
+            and self.buf[:6] == b"WPILOG"
             and self.getVersion() >= 0x0100
         )
 
@@ -307,7 +307,7 @@ if __name__ == "__main__":
                 print("Unrecognized control record")
             else:
                 print(f"Data({record.entry}, size={len(record.data)}) ", end="")
-                entry = entries.get(record.entry, None)
+                entry = entries.get(record.entry)
                 if entry is None:
                     print("<ID not found>")
                     continue
@@ -324,7 +324,7 @@ if __name__ == "__main__":
                         print(f"  {record.getDouble()}")
                     elif entry.type == "int64":
                         print(f"  {record.getInteger()}")
-                    elif entry.type == "string" or entry.type == "json":
+                    elif entry.type in ("string", "json"):
                         print(f"  '{record.getString()}'")
                     elif entry.type == "boolean":
                         print(f"  {record.getBoolean()}")