Reformat code using black

Segments where readability was hampered were fixed by appropriate
format skipping directives. New code should hopefully be black
compatible. The moment they remove the -S option is probably the moment
I stop using black though.

discord/ext/commands/view.py

@@ -46,6 +46,7 @@ _quotes = {
 }
 _all_quotes = set(_quotes.keys()) | set(_quotes.values())
 
+
 class StringView:
     def __init__(self, buffer):
         self.index = 0
@@ -81,20 +82,20 @@ class StringView:
 
     def skip_string(self, string):
         strlen = len(string)
-        if self.buffer[self.index:self.index + strlen] == string:
+        if self.buffer[self.index : self.index + strlen] == string:
             self.previous = self.index
             self.index += strlen
             return True
         return False
 
     def read_rest(self):
-        result = self.buffer[self.index:]
+        result = self.buffer[self.index :]
         self.previous = self.index
         self.index = self.end
         return result
 
     def read(self, n):
-        result = self.buffer[self.index:self.index + n]
+        result = self.buffer[self.index : self.index + n]
         self.previous = self.index
         self.index += n
         return result
@@ -120,7 +121,7 @@ class StringView:
             except IndexError:
                 break
         self.previous = self.index
-        result = self.buffer[self.index:self.index + pos]
+        result = self.buffer[self.index : self.index + pos]
         self.index += pos
         return result
 
@@ -187,6 +188,5 @@ class StringView:
 
             result.append(current)
 
-
     def __repr__(self):
         return f'<StringView pos: {self.index} prev: {self.previous} end: {self.end} eof: {self.eof}>'