"address_meta None" fix

src/dexorder/order/orderstate.py

@@ -295,7 +295,7 @@ class Order:
     async def pprint(self):
         amount_token = self.order.tokenIn if self.order.amountIsInput else self.order.tokenOut
         msg = f'''
-        SwapOrder {self.key}
+SwapOrder {self.key}
     status: {self.state.name}
     placed: {from_timestamp(self.status.startTime)}
     in: {self.order.tokenIn}
@@ -305,7 +305,7 @@ class Order:
     minFill: {await adjust_decimals(amount_token, self.min_fill_amount):f}
     inverted: {self.order.inverted}
     tranches:
-        '''
+'''
         for i in range(len(self.order.tranches)):
             tranche = self.order.tranches[i]
             msg += f'        {tranche}'

src/dexorder/pools.py

@@ -27,12 +27,16 @@ async def get_pool(address: str) -> OldPoolDict:
         # noinspection PyTypeChecker
         result: OldPoolDict = address_metadata[address]
     except KeyError:
-        result = address_metadata[address] = await load_pool(address)
+        result = await load_pool(address)
+        if result is not None:
+            address_metadata[address] = result
     else:
         if (result['exchange'] == Exchange.UniswapV3.value and
                 (result['base'] == ADDRESS_0 or result['quote'] == ADDRESS_0)):
             log.warning(f'Repairing bad pool {address}')
-            result = address_metadata[address] = await load_pool(address, use_db=False)
+            result = await load_pool(address, use_db=False)
+            if result is not None:
+                address_metadata[address] = result
     return result
 
 

src/dexorder/tokens.py

@@ -52,7 +52,9 @@ async def get_token(address) -> Optional[OldTokenDict]:
         # noinspection PyTypeChecker
         return address_metadata[address]
     except KeyError:
-        result = address_metadata[address] = await load_token(address)
+        result = await load_token(address)
+        if result is not None:
+            address_metadata[address] = result
         return result