diff --git a/piker/ui/_graphics/_curve.py b/piker/ui/_graphics/_curve.py
index 9e6d08e6..49b93910 100644
--- a/piker/ui/_graphics/_curve.py
+++ b/piker/ui/_graphics/_curve.py
@@ -20,7 +20,7 @@ Fast, smooth, sexy curves.
 from typing import Tuple
 
 import pyqtgraph as pg
-from PyQt5 import QtCore, QtGui
+from PyQt5 import QtCore, QtGui, QtWidgets
 
 from ..._profile import pg_profile_enabled
 
@@ -139,7 +139,12 @@ class FastAppendCurve(pg.PlotCurveItem):
         # print(f'bounding rect: {br}')
         return br
 
-    def paint(self, p, opt, widget):
+    def paint(
+        self,
+        p: QtGui.QPainter,
+        opt: QtWidgets.QStyleOptionGraphicsItem,
+        w: QtWidgets.QWidget
+    ) -> None:
 
         profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
         # p.setRenderHint(p.Antialiasing, True)
diff --git a/piker/ui/_graphics/_ohlc.py b/piker/ui/_graphics/_ohlc.py
index e96aae90..0be7853f 100644
--- a/piker/ui/_graphics/_ohlc.py
+++ b/piker/ui/_graphics/_ohlc.py
@@ -22,7 +22,7 @@ from typing import List, Optional, Tuple
 import numpy as np
 import pyqtgraph as pg
 from numba import jit, float64, int64  # , optional
-from PyQt5 import QtCore, QtGui
+from PyQt5 import QtCore, QtGui, QtWidgets
 from PyQt5.QtCore import QLineF, QPointF
 # from numba import types as ntypes
 # from ..data._source import numba_ohlc_dtype
@@ -339,9 +339,14 @@ class BarItems(pg.GraphicsObject):
         if flip_cache:
             self.setCacheMode(QtGui.QGraphicsItem.DeviceCoordinateCache)
 
-    def paint(self, p, opt, widget):
+    def paint(
+        self,
+        p: QtGui.QPainter,
+        opt: QtWidgets.QStyleOptionGraphicsItem,
+        w: QtWidgets.QWidget
+    ) -> None:
 
-        profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())  # , delayed=False)
+        profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
 
         # p.setCompositionMode(0)
         p.setPen(self.bars_pen)