changes to bot.py certificate store

spot_feed.py

@@ -4,6 +4,7 @@ import time
 from collections import deque
 from dataclasses import dataclass
 from typing import Deque, Dict, Tuple
+import certifi
 
 import requests
 
@@ -24,10 +25,9 @@ class SpotFeed:
         self.history: Dict[str, Deque[SpotPoint]] = {sym: deque() for sym in urls.keys()}
 
     def _fetch(self, url: str) -> float:
-        r = requests.get(url, timeout=10)
+        r = requests.get(url, timeout=10, verify=certifi.where())
         r.raise_for_status()
         data = r.json()
-        # Coinbase shape: {"data": {"amount": "70428.82", "currency": "USD"}}
         return float(data["data"]["amount"])
 
     def update(self) -> Dict[str, float]: