feat: Update title of total value locked visualization

app.py

@@ -192,13 +192,13 @@ def create_visualizations():
         x="date",
         y="total_value_locked_usd",
         color="chain_name",
-        title="Total Value Locked in Different Chains Daily",
+        title="Total Volume Invested in Pools in Different Chains Daily",
         labels={"date": "Date", "total_value_locked_usd": "Total Value Locked (USD)"},
         barmode='stack',
         color_discrete_map={
-            "Optimism": "blue",
-            "Base": "purple",
-            "Ethereum": "darkgreen"
+            "optimism": "blue",
+            "base": "purple",
+            "ethereum": "darkgreen"
         }
     )
     fig_tvl.update_layout(
@@ -214,6 +214,7 @@ def create_visualizations():
         height=700,
     )
     fig_tvl.update_xaxes(tickformat="%Y-%m-%d")
+    
 
     chain_name_map = {
         10: "Optimism",

app_value_locked.py

@@ -266,7 +266,6 @@ def requests_retry_session(
 def get_token_price_usd(chain, token_address):
     chain_dict = {"optimism": "optimistic-ethereum", "base": "base", "ethereum": "ethereum"}
     chain_name = chain_dict.get(chain, chain) 
-    time.sleep(4)
     url = f"https://api.coingecko.com/api/v3/simple/token_price/{chain_name}?contract_addresses={token_address}&vs_currencies=usd"
 
     headers = {