diff --git a/miniuri.py b/miniuri.py
index 2ff83b6..865b589 100644
--- a/miniuri.py
+++ b/miniuri.py
@@ -12,27 +12,18 @@ class Uri( object ):
     scheme          authority         |    path  |  extension
                                       |          |
                                      port     filename
-
-    How to use:
-    .. code-block:: python
-
-     >>> from miniuri import Uri
-     >>> u = Uri("https://fox:pass@www.foxhop.net:81/path/filename.jpg?p=2#5")
-     >>> print u.hostname
-     www.foxhop.net
-     >>> u.username = 'max'
-     >>> print u.uri
-     https://max:pass@www.foxhop.net:81/path/filename.jpg?p=2#5
     """
     def __init__( self, uri = None ):
         if uri: self.uri = uri # invoke uri.setter
 
+    def __str__(self): return self.uri
+
     @property
     def uri( self ):
         """build and return uri from attributes"""
         scheme = path = filename = query = fragment = ''
-        if self.path: path = '/'.join( self.path.split('/')[:-1] )
         if self.scheme: scheme = self.scheme + '://'
+        if self.path: path = '/'.join(self.path.split('/')[:-1])
         if self.filename: filename = '/' + self.filename
         if self.query: query = '?' + self.query
         if self.fragment: fragment = '#' + self.fragment
@@ -79,18 +70,18 @@ class Uri( object ):
         """set all the attribute that makeup a authority"""
         self.username = self.password = self.port = None
         self.hostname = a
-        if '@' in a:
+        if '@' in self.hostname:
             self.userinfo, self.hostname = a.split( '@' ) # userinfo setter
         if ':' in self.hostname:
             self.hostname, self.port = self.hostname.split( ':' )
 
     @property
     def userinfo( self ):
-        """return username:password"""
-        if self.username and self.password: 
-            return self.username + ':' + self.password
-        if self.username: return self.username
-        else: return None
+        """return username:password, username, or None"""
+        if self.username:
+            if self.password: 
+                return self.username + ':' + self.password
+            return self.username
 
     @userinfo.setter
     def userinfo( self, info ):
@@ -100,16 +91,8 @@ class Uri( object ):
             self.username, self.password = info.split( ':' )
 
     @property
-    def extension( self ):
-        """return extension"""
-        if '.' in self.filename: return self.filename.split('.')[-1]
-        else: return None 
+    def extension(self):
+        """return filename extension"""
+        return self.filename.split('.')[-1] if '.' in self.filename else None
 
-    @property
-    def parts( self ):
-        """remove scheme then return a list of uri parts splitting on / """
-        p = self.uri
-        if self.scheme: p = p[ len(self.scheme) + 3: ]
-        return p.split( '/' )
 
-    def __str__( self ): return self.uri