suppress pyrefly errors in mujoco

Startblock:
  * // Put other blockers before this line to avoid churning.
  * has lgtm
  * is approved
  * and then
  * all comments are resolved
  * and then
PiperOrigin-RevId: 961854282
Change-Id: I9d323a8ef9f36ffe69cc62d449849eac82dc6858

python/mujoco/experimental/studio/sample/ghost.py

@@ -117,7 +117,7 @@ class GhostRenderer:
     self._viewer.extra_geoms.clear()
     if self._last_time is None or data.time < self._last_time:
       self._history.clear()
-    if not self._history or data.time > self._last_time:
+    if not self._history or data.time > self._last_time:  # pyrefly: ignore[unsupported-operation]
       self._history.append((
           data.time,
           data.geom_xpos.copy(),
@@ -129,7 +129,7 @@ class GhostRenderer:
     while len(self._history) > 1 and self._history[1][0] <= target_time:
       self._history.popleft()
 
-    _, xpos, xmat = self._history[0]
+    _, xpos, xmat = self._history[0]  # pyrefly: ignore[bad-assignment]
     if len(xpos) != model.ngeom or len(xmat) != model.ngeom:
       return
 

python/mujoco/experimental/studio/sample/render.py

@@ -70,7 +70,7 @@ def main(argv: list[str]) -> None:
     print(f'Error saving image to `{_OUTPUT.value}`: {ex}')
     sys.exit(-3)
 
-  return 0
+  return 0  # pyrefly: ignore[bad-return]
 
 
 if __name__ == '__main__':

python/mujoco/experimental/studio/viewer.py

@@ -59,7 +59,7 @@ def main(argv: list[str]) -> None:
   ) as handle:
     # Send the model to the viewer, if we have a model.
     if model is not None:
-      handle.send_to_viewer(messages.ModelEvent(model=model, path=model_path))
+      handle.send_to_viewer(messages.ModelEvent(model=model, path=model_path))  # pyrefly: ignore[bad-argument-type]
 
     # Run the simulation.
     step_control = sim.StepControl()

python/mujoco/experimental/studio/web/web_server.py

@@ -792,7 +792,7 @@ def _run_server(
       try:
         # Handshake: browser CmdVersion -> client; client CmdVersion -> browser.
         browser_version = await ws.recv()
-        my_writer.write(browser_version)
+        my_writer.write(browser_version)  # pyrefly: ignore[bad-argument-type]
         await my_writer.drain()
         server_version = await my_reader.readexactly(_NETIMGUI_CMD_VERSION_SIZE)
         await ws.send(server_version)
@@ -869,10 +869,10 @@ def _run_server(
           gen_before = generation.value
           if gen_before & 1:
             continue
-          (used,) = struct.unpack("<I", bytes(shm_array[:4]))
+          (used,) = struct.unpack("<I", bytes(shm_array[:4]))  # pyrefly: ignore[unsupported-operation]
           if used == 0 or used > shm_capacity:
             return None
-          data = bytes(shm_array[4 : 4 + used])
+          data = bytes(shm_array[4 : 4 + used])  # pyrefly: ignore[unsupported-operation]
           if generation.value == gen_before:
             return gen_before, data
         return None