Fix search errors due to stream readers exiting before grep is finished

irclog.py

@@ -1040,6 +1040,8 @@ class WebServer:
 		stdoutTask = asyncio.create_task(process_stdout())
 		stderrTask = asyncio.create_task(process_stderr())
 		await asyncio.wait({stdoutTask, stderrTask}, timeout = self.config['web']['search']['maxTime'])
+		# The stream readers may quit before the process is done even on a successful grep. Wait a tiny bit longer for the process to exit.
+		await asyncio.wait({asyncio.create_task(proc.wait())}, timeout = 0.1)
 		if proc.returncode is None:
 			# Process hasn't finished yet after maxTime. Murder it and wait for it to die.
 			self.logger.warning(f'Request {id(request)} grep took more than the time limit')