Replace example utils with local frameCounter def

f1tenth_gym/envs/rendering/rendering_pyqt.py

@@ -9,7 +9,6 @@
 from PyQt6 import QtWidgets, QtCore
 from PyQt6 import QtGui
 import pyqtgraph as pg
-from pyqtgraph.examples.utils import FrameCounter
 from pyqtgraph.exporters import ImageExporter
 from PIL import ImageColor
 
@@ -24,6 +23,32 @@
 INSTRUCTION_TEXT = "Mouse click (L/M/R): Change POV - 'S' key: On/Off"
 
 
+# Replicated from pyqtgraphs' example utils for ci pipelines to pass
+from time import perf_counter
+class FrameCounter(QtCore.QObject):
+    sigFpsUpdate = QtCore.pyqtSignal(object)
+
+    def __init__(self, interval=1000):
+        super().__init__()
+        self.count = 0
+        self.last_update = 0
+        self.interval = interval
+
+    def update(self):
+        self.count += 1
+
+        if self.last_update == 0:
+            self.last_update = perf_counter()
+            self.startTimer(self.interval)
+
+    def timerEvent(self, evt):
+        now = perf_counter()
+        elapsed = now - self.last_update
+        fps = self.count / elapsed
+        self.last_update = now
+        self.count = 0
+        self.sigFpsUpdate.emit(fps)
+
 class PyQtEnvRenderer(EnvRenderer):
     """
     Renderer of the environment using PyQtGraph.