Removed unicode() for python 3.

Author: mickp

microscope/filterwheels/thorlabs.py

@@ -61,7 +61,7 @@ def _on_shutdown(self):
     def set_position(self, n):
         """Public method to move to position n."""
         command = 'pos=%d' % n
-        self.connection.write(unicode(command + self.eol))
+        self.connection.write(command + self.eol)
         # The serial connection will timeout until new position is reached.
         # Count timeouts to detect failure to return to responsive state.
         count = 0
@@ -89,7 +89,7 @@ def get_position(self):
     def _send_command(self, command):
         """Send a command and return any result."""
         result = None
-        self.connection.write(unicode(command + self.eol))
+        self.connection.write(command + self.eol)
         response = 'dummy'
         while response not in [command, '']:
             # Read until we receive the command echo.