diff --git a/app.py b/app.py
index ee0e5c3..a1b3c09 100644
--- a/app.py
+++ b/app.py
@@ -156,7 +156,7 @@ def account_info(account_name):
         return jsonify(account_info=info)
     except AccountDoesNotExistsException:
         return jsonify(error="Account does not exist"), 404
-    except Exception as error:
+    except Exception as error: # pylint: disable=broad-except
         return str(error), 400
 
 @app.route('/api/accounts/witnesses', methods=['GET'])
@@ -189,4 +189,4 @@ def active_sons():
     return sons
 
 if __name__ == '__main__':
-    app.run(app)
+    app.run()
diff --git a/src/accounts/sons/active_sons.py b/src/accounts/sons/active_sons.py
index 8203ece..1632ff9 100644
--- a/src/accounts/sons/active_sons.py
+++ b/src/accounts/sons/active_sons.py
@@ -29,7 +29,7 @@ def get_active_sons():
                 results.append(obj)
                 son_count += 1
                 object_id_number += 1
-        except Exception as error:
+        except Exception as error: # pylint: disable=broad-except
             print(f"Error fetching object {object_id}: {error}", file=sys.stderr)
             break
 
diff --git a/src/accounts/witnesses/witnesses.py b/src/accounts/witnesses/witnesses.py
index 83f842d..2cf9c00 100644
--- a/src/accounts/witnesses/witnesses.py
+++ b/src/accounts/witnesses/witnesses.py
@@ -27,10 +27,10 @@ def list_active_witnesses():
         account = Account(witness["witness_account"], blockchain_instance=peerplays)
         witness_info.append({
             "account_name": account['name'],
-            "witness_data": {key: value for key, value in witness.items()}
+            "witness_data": dict(witness.items())
         })
 
-    witness_info = sorted(witness_info, key=lambda x: x['witness_data']['total_votes'], 
+    witness_info = sorted(witness_info, key=lambda x: x['witness_data']['total_votes'],
                           reverse=True)
 
     logger.info("Successfully fetched %s active witnesses", len(witness_info))
diff --git a/src/blocks.py b/src/blocks.py
index ee55f61..ece0b17 100644
--- a/src/blocks.py
+++ b/src/blocks.py
@@ -52,7 +52,7 @@ def get_block_info(block_num=None):
         logger.info("Successfully fetched block %s", block_num)
         return block_info
 
-    except Exception as exception:
+    except Exception as exception: # pylint: disable=broad-except
         logger.error("Error fetching block %s: %s", block_num, exception, exc_info=True)
     return None
     
\ No newline at end of file
diff --git a/src/supply/max_supply.py b/src/supply/max_supply.py
index c09ea43..181da93 100644
--- a/src/supply/max_supply.py
+++ b/src/supply/max_supply.py
@@ -6,15 +6,6 @@
 from src.supply.common import get_supplies, peerplays, ASSET_IDS
 
 
-ASSET_IDS = {
-    "ppy": "1.3.0",
-    "btfun": "1.3.1",
-    "bitcoin": "1.3.22",
-    "hive": "1.3.24",
-    "hbd": "1.3.23",
-    # Add more mappings as needed
-}
-
 def max_supply(coin_name):
     """ 
     This endpoint returns the maximum supply for the given coin name.