fix english, typo, remove code that was a test

also remove unused import from openpy

IPython/core/interactiveshell.py

@@ -2750,7 +2750,7 b' class InteractiveShell(SingletonConfigurable, Magic):'
 
           A string specifying code to retrieve. This will be tried respectively
           as: ranges of input history (see %history for syntax), url,
-          correspnding .py file,filename, or an expression evaluating to a
+          correspnding .py file, filename, or an expression evaluating to a
           string or Macro in the user namespace.
 
         raw : bool
@@ -2772,8 +2772,8 b' class InteractiveShell(SingletonConfigurable, Magic):'
             utarget = unquote_filename(target)
             if utarget.startswith(('http://', 'https://')):
                 return openpy.read_py_url(utarget, skip_encoding_cookie=True)
-        except:
-            raise ValueError(("'%s': no such URL, or URL innaccessible.") % utarget)
+        except UnicodeDecodeError:
+            raise ValueError(("'%s' seem to be unredable.") % utarget)
 
         try :
             pyfile = get_py_filename(target)

IPython/core/magic.py

@@ -2265,8 +2265,8 b' Currently the magic system has the following functions:\\n"""'
     def magic_loadpy(self, arg_s):
         """Alias of `%load`
         
-        `%loadpy` has gain some flexibility and drop the requirement of `.py`
-        extension. So it has been rename simply into %load. You can look at
+        `%loadpy` has gained some flexibility and droped the requirement of a `.py`
+        extension. So it has been renamed simply into %load. You can look at
         `%load`'s docstring for more info.
         """
         self.magic_load(arg_s)
@@ -2281,11 +2281,11 b' Currently the magic system has the following functions:\\n"""'
 
         Options:
         --------
-          -y : Don't ask confirmation for loading source above 200 000 caracters.
+          -y : Don't ask confirmation for loading source above 200 000 characters.
 
         This magic command can either take a local filename, a URL, an history
         range (see %history) or a macro as argument, it will prompt for
-        confirmation before loading source with more than 200 000 caracters, unless
+        confirmation before loading source with more than 200 000 characters, unless
         -y flag is passed or if the frontend does not support raw_input::
 
         %load myscript.py
@@ -2303,7 +2303,7 b' Currently the magic system has the following functions:\\n"""'
         # so in average, more than 5000 lines
         if l > 200000 and 'y' not in opts:
             try:
-                ans = self.shell.ask_yes_no(("The text you'r trying to load seem pretty big"\
+                ans = self.shell.ask_yes_no(("The text you're trying to load seems pretty big"\
                 " (%d characters). Continue (y/[N]) ?" % l), default='n' )
             except StdinNotImplementedError:
                 #asume yes if raw input not implemented

IPython/utils/openpy.py

@@ -6,7 +6,6 b' Much of the code is taken from the tokenize module in Python 3.2.'
 """
 from __future__ import absolute_import
 
-import __builtin__
 import io
 from io import TextIOWrapper
 import re