Make pylint happy on plugins

It does not like dynamically defined attributes, unsurprisingly

plugins/code.py

@@ -27,7 +27,7 @@ from poezio.plugin import BasePlugin
 
 from pygments import highlight
 from pygments.lexers import get_lexer_by_name
-from pygments.formatters import HtmlFormatter
+from pygments.formatters import HtmlFormatter  #pylint: disable=no-name-in-module
 FORMATTER = HtmlFormatter(nowrap=True, noclasses=True)
 
 

plugins/mpd_client.py

@@ -76,8 +76,8 @@ class Plugin(BasePlugin):
             port=self.config.get('port', '6600'))
         password = self.config.get('password', '')
         if password:
-            c.password(password)
-        current = c.currentsong()
+            c.password(password)  #pylint: disable=no-member
+        current = c.currentsong()  #pylint: disable=no-member
         artist = current.get('artist', 'Unknown artist')
         album = current.get('album', 'Unknown album')
         title = current.get('title', base(
@@ -86,7 +86,7 @@ class Plugin(BasePlugin):
         s = '%s - %s (%s)' % (artist, title, album)
         if 'full' in args:
             if 'elapsed' in current and 'time' in current:
-                current_time = float(c.status()['elapsed'])
+                current_time = float(c.status()['elapsed'])  #pylint: disable=no-member
                 percents = int(current_time / float(current['time']) * 10)
                 s += ' \x192}[\x191}' + '-' * (
                     percents - 1) + '\x193}+' + '\x191}' + '-' * (

plugins/otr.py

@@ -637,8 +637,8 @@ class Plugin(BasePlugin):
             return
         except ErrorReceived as err:
             # Received an OTR error
-            format_dict['err'] = err.args[0].error.decode(
-                'utf-8', errors='replace')
+            proto_error = err.args[0].error  #  pylint: disable=no-member
+            format_dict['err'] = proto_error.decode('utf-8', errors='replace')
             tab.add_message(OTR_ERROR % format_dict, typ=0)
             del msg['body']
             del msg['html']