Small fixes

mev_inspect/schemas/utils.py

@@ -26,7 +26,7 @@ class Web3Model(BaseModel):
 
 
 class CamelModel(BaseModel):
-    """BaseModel that translates from camelCase to snake_case"""
+    """BaseModel that translates from snake_case to camelCase"""
 
     class Config(Web3Model.Config):
         alias_generator = to_camel

mev_inspect/tokenflow.py

@@ -84,6 +84,7 @@ def get_tx_proxies(tx_traces: List[Trace], to_address: Optional[str]):
 
 
 def get_net_gas_used(tx_hash, block):
+    gas_used = 0
     for trace in block.traces:
         if trace.transaction_hash == tx_hash:
             gas_used += int(trace.result["gasUsed"], 16)