Removed unused imports and added PDM badge to README

README.rst

@@ -2,7 +2,9 @@
 ftd2xx-aio
 ==========
 
-|python| |black|
+|python|
+|black|
+|pdm|
 
 ftd2xx-aio is an extension of `ftd2xx`_ (a wrapper around the `D2XX drivers`_ for FTDI devices)
 that adds a transport/protocol layer (similar to `pyserial-asyncio`_). This allows the user to
@@ -34,3 +36,6 @@ to your project here and there. You are so great to work with!
 .. |python|
     image:: https://img.shields.io/badge/python-3.9%2B-blue.svg
         :target: https://www.python.org/
+.. |pdm|
+  image:: https://img.shields.io/badge/pdm-managed-blueviolet
+  :target: https://pdm.fming.dev

ftd2xx_aio/transports.py

@@ -6,9 +6,7 @@
 """Asyncio transports for FTDI D2XX devices."""
 from abc import abstractmethod
 import asyncio
-from warnings import warn
 from ftd2xx import FTD2XX, DeviceError
-from ftd2xx.ftd2xx import LOGGER
 from ftd2xx.defines import ModemStatus
 
 from .protocols import FTD2xxProtocol
@@ -188,7 +186,7 @@ def is_reading(self) -> bool:
 
     def pause_reading(self):
         """Pause the receiving end of the transport.
-        No data will be passed to the protocol’s data_received() method
+        No data will be passed to the protocol's data_received() method
         until resume_reading() is called.
         """
         self._remove_reader()