fixed linting errors

pyvisa_py/protocols/usbtmc.py

@@ -481,17 +481,17 @@ def read(self, size):
                 response = BulkInMessage.from_bytes(resp)
                 received.extend(response.data)
                 while len(resp) == self.usb_recv_ep.wMaxPacketSize:
-                    # USBTMC Section 3.3 specifies that the first usb packet must contain the header
-                    # the remaining packets do not need the header
-                    # the message is finished when a "short packet" is sent (one whose length is less than wMaxPacketSize)
+                    # USBTMC Section 3.3 specifies that the first usb packet 
+                    # must contain the header. the remaining packets do not need 
+                    # the header the message is finished when a "short packet" 
+                    # is sent (one whose length is less than wMaxPacketSize)
                     resp = raw_read(recv_chunk + header_size + max_padding)
                     received.extend(resp)
             except (usb.core.USBError, ValueError):
                 # Abort failed Bulk-IN operation.
                 self._abort_bulk_in(self._btag)
                 raise
 
-
             # Detect EOM only when device sends all expected bytes.
             if len(response.data) >= response.transfer_size:
                 eom = response.transfer_attributes & 1

pyvisa_py/usb.py

@@ -347,7 +347,8 @@ def _usb_reader():
         return self._read(
             _usb_reader,
             count,
-            lambda current: False,  # USBTMC can return partial message (i.e., before the term_char) or have trailing zeros
+            lambda current: False,  # USBTMC can return partial message (i.e.,
+            # before the term_char) or have trailing zeros
             supress_end_en,
             term_char,
             term_char_en,