diff --git a/background_tasks.py b/background_tasks.py
index f748696..6f5f848 100755
--- a/background_tasks.py
+++ b/background_tasks.py
@@ -79,7 +79,7 @@ def run(self):
                 sync_gaps = get_sync_gaps(self.blockprint_url)
                 chunks = explode_gaps(sync_gaps)
 
-                for (start_slot, end_slot) in chunks:
+                for start_slot, end_slot in chunks:
                     print(f"Downloading backfill blocks {start_slot}..={end_slot}")
                     block_rewards = download_block_rewards(
                         start_slot, end_slot, beacon_node=self.bn_url
diff --git a/build_db.py b/build_db.py
index afc1205..be7965e 100755
--- a/build_db.py
+++ b/build_db.py
@@ -178,7 +178,7 @@ def get_sync_gaps(block_db):
     missing_parent_slots = get_missing_parent_blocks(block_db)
     gaps = []
 
-    for (block_slot, parent_slot) in missing_parent_slots:
+    for block_slot, parent_slot in missing_parent_slots:
         prior_slot = get_greatest_prior_block_slot(block_db, parent_slot)
 
         if prior_slot is None:
@@ -221,7 +221,7 @@ def get_blocks_per_client(block_db, start_slot, end_slot):
         (start_slot, end_slot),
     )
 
-    for (client, count) in client_counts:
+    for client, count in client_counts:
         blocks_per_client[client] = int(count)
 
     return blocks_per_client
diff --git a/compute_periods.py b/compute_periods.py
index 155d3e1..f2b708c 100644
--- a/compute_periods.py
+++ b/compute_periods.py
@@ -316,7 +316,7 @@ def get_validators_per_client(period_db, period_id, guess_column=DEFAULT_GUESS):
         (period_id,),
     )
 
-    for (client, count) in client_counts:
+    for client, count in client_counts:
         validators_per_client[client] = int(count)
 
     return validators_per_client
@@ -339,7 +339,7 @@ def period_db_to_csv(period_db, output_file, guess_column=DEFAULT_GUESS):
 
     periods = period_db.execute("SELECT * FROM periods")
 
-    for (period_id, end_slot, num_active_validators) in periods:
+    for period_id, end_slot, num_active_validators in periods:
         row = {
             "period_id": period_id,
             "end_slot": end_slot,
diff --git a/multi_classifier.py b/multi_classifier.py
index 3ace8ac..4ebfc82 100644
--- a/multi_classifier.py
+++ b/multi_classifier.py
@@ -31,7 +31,7 @@ def __init__(self, data_dir):
     def classify(self, block_reward):
         slot = int(block_reward["meta"]["slot"])
 
-        for (i, (start_slot, end_slot, classifier)) in enumerate(self.classifiers):
+        for i, (start_slot, end_slot, classifier) in enumerate(self.classifiers):
             # Allow the last classifier to be used for slots beyond its end slot
             if start_slot <= slot and (
                 slot <= end_slot or i + 1 == len(self.classifiers)
diff --git a/prepare_training_data.py b/prepare_training_data.py
index af55e40..c7e5941 100755
--- a/prepare_training_data.py
+++ b/prepare_training_data.py
@@ -30,7 +30,7 @@
 
 
 def check_graffiti(graffiti: str, disabled_clients=[]) -> str:
-    for (client, regexes) in REGEX.items():
+    for client, regexes in REGEX.items():
         if client in disabled_clients:
             continue
 
@@ -66,7 +66,7 @@ def process_file(
 
     res = classify_rewards_by_graffiti(rewards, disabled_clients=disabled_clients)
 
-    for (client, examples) in res.items():
+    for client, examples in res.items():
         for block_rewards in examples:
             store_block_rewards(block_rewards, client, proc_data_dir)