Expect accounts as tuple, don't start rt pnl on no live pp

piker/clearing/_ems.py

@@ -269,7 +269,7 @@ class TradesRelay:
     positions: dict[str, dict[str, BrokerdPosition]]
 
     # allowed account names
-    accounts: set[str]
+    accounts: tuple[str]
 
     # count of connected ems clients for this ``brokerd``
     consumers: int = 0
@@ -449,7 +449,7 @@ async def open_brokerd_trades_dialogue(
                 relay = TradesRelay(
                     brokerd_dialogue=brokerd_trades_stream,
                     positions=pps,
-                    accounts=set(accounts),
+                    accounts=accounts,
                     consumers=1,
                 )
 

piker/ui/_position.py

@@ -54,6 +54,7 @@ async def update_pnl_from_feed(
 
     feed: Feed,
     order_mode: OrderMode,  # noqa
+    tracker: PositionTracker,
 
 ) -> None:
     '''Real-time display the current pp's PnL in the appropriate label.
@@ -76,7 +77,8 @@ async def update_pnl_from_feed(
         types = ('bid', 'last', 'last', 'utrade')
 
     else:
-        raise RuntimeError('No pp?!?!')
+        log.info(f'No position (yet) for {tracker.alloc.account}@{key}')
+        return
 
     # real-time update pnl on the status pane
     try:
@@ -343,6 +345,7 @@ class SettingsPane:
                     update_pnl_from_feed,
                     feed,
                     mode,
+                    tracker,
                 )
 
         # immediately display in status label

piker/ui/order_mode.py

@@ -620,8 +620,8 @@ async def open_order_mode(
             # alloc?
             pp_tracker.update_from_pp()
 
+            # on existing position, show pp tracking graphics
             if pp_tracker.startup_pp.size != 0:
-                # if no position, don't show pp tracking graphics
                 pp_tracker.show()
                 pp_tracker.hide_info()
 
@@ -805,12 +805,13 @@ async def process_trades_and_update_ui(
 
                 tracker = mode.trackers[msg['account']]
                 tracker.live_pp.update_from_msg(msg)
-                tracker.update_from_pp()
-
                 # update order pane widgets
+                tracker.update_from_pp()
                 mode.pane.update_status_ui(tracker)
-                # display pnl
-                mode.pane.display_pnl(tracker)
+
+                if tracker.live_pp.size:
+                    # display pnl
+                    mode.pane.display_pnl(tracker)
 
             # short circuit to next msg to avoid
             # unnecessary msg content lookups