Issue #17047: remove doubled words found in 2.7 to 3.4 Lib/*,

as reported by Serhiy Storchaka and Matthew Barnett.

Lib/_pyio.py

@@ -298,7 +298,7 @@ class IOBase(metaclass=abc.ABCMeta):
     def seek(self, pos, whence=0):
         """Change stream position.
 
-        Change the stream position to byte offset offset. offset is
+        Change the stream position to byte offset pos. Argument pos is
         interpreted relative to the position indicated by whence.  Values
         for whence are ints:
 

Lib/concurrent/futures/_base.py

@@ -519,7 +519,7 @@ class Executor(object):
         """Returns a iterator equivalent to map(fn, iter).
 
         Args:
-            fn: A callable that will take take as many arguments as there are
+            fn: A callable that will take as many arguments as there are
                 passed iterables.
             timeout: The maximum number of seconds to wait. If None, then there
                 is no limit on the wait time.

Lib/distutils/command/install.py

@@ -278,8 +278,8 @@ class install(Command):
 
         if self.user and (self.prefix or self.exec_prefix or self.home or
                 self.install_base or self.install_platbase):
-            raise DistutilsOptionError("can't combine user with with prefix/"
+            raise DistutilsOptionError("can't combine user with prefix, "
-                                       "exec_prefix/home or install_(plat)base")
+                                       "exec_prefix/home, or install_(plat)base")
 
         # Next, stuff that's wrong (or dubious) only on certain platforms.
         if os.name != "posix":

Lib/distutils/tests/test_install.py

@@ -165,7 +165,7 @@ class InstallTestCase(support.TempdirManager,
         cmd.home = 'home'
         self.assertRaises(DistutilsOptionError, cmd.finalize_options)
 
-        # can't combine user with with prefix/exec_prefix/home or
+        # can't combine user with prefix/exec_prefix/home or
         # install_(plat)base
         cmd.prefix = None
         cmd.user = 'user'

Lib/ftplib.py

@@ -464,7 +464,7 @@ class FTP:
           blocksize: The maximum data size to read from fp and send over
                      the connection at once.  [default: 8192]
           callback: An optional single parameter callable that is called on
-                    on each block of data after it is sent.  [default: None]
+                    each block of data after it is sent.  [default: None]
           rest: Passed to transfercmd().  [default: None]
 
         Returns:
@@ -486,7 +486,7 @@ class FTP:
           cmd: A STOR command.
           fp: A file-like object with a readline() method.
           callback: An optional single parameter callable that is called on
-                    on each line after it is sent.  [default: None]
+                    each line after it is sent.  [default: None]
 
         Returns:
           The response code.

Lib/idlelib/extend.txt

@@ -54,7 +54,7 @@ Extensions are not required to define menu entries for all the events they
 implement.  (They are also not required to create keybindings, but in that
 case there must be empty bindings in cofig-extensions.def)
 
-Here is a complete example example:
+Here is a complete example:
 
 class ZoomHeight:
 
@@ -72,7 +72,7 @@ class ZoomHeight:
         "...Do what you want here..."
 
 The final piece of the puzzle is the file "config-extensions.def", which is
-used to to configure the loading of extensions and to establish key (or, more
+used to configure the loading of extensions and to establish key (or, more
 generally, event) bindings to the virtual events defined in the extensions.
 
 See the comments at the top of config-extensions.def for information.  It's

Lib/idlelib/rpc.py

@@ -2,7 +2,7 @@
 
 For security reasons, GvR requested that Idle's Python execution server process
 connect to the Idle process, which listens for the connection.  Since Idle has
-has only one client per server, this was not a limitation.
+only one client per server, this was not a limitation.
 
    +---------------------------------+ +-------------+
    | socketserver.BaseRequestHandler | | SocketIO    |

Lib/lib2to3/pgen2/grammar.py

@@ -20,7 +20,7 @@ from . import token, tokenize
 
 
 class Grammar(object):
-    """Pgen parsing tables tables conversion class.
+    """Pgen parsing tables conversion class.
 
     Once initialized, this class supplies the grammar tables for the
     parsing engine implemented by parse.py.  The parsing engine
@@ -45,7 +45,7 @@ class Grammar(object):
                      these two are each other's inverse.
 
     states        -- a list of DFAs, where each DFA is a list of
-                     states, each state is is a list of arcs, and each
+                     states, each state is a list of arcs, and each
                      arc is a (i, j) pair where i is a label and j is
                      a state number.  The DFA number is the index into
                      this list.  (This name is slightly confusing.)

Lib/msilib/__init__.py

@@ -325,7 +325,7 @@ class Directory:
 
     def add_file(self, file, src=None, version=None, language=None):
         """Add a file to the current component of the directory, starting a new one
-        one if there is no current component. By default, the file name in the source
+        if there is no current component. By default, the file name in the source
         and the file table will be identical. If the src file is specified, it is
         interpreted relative to the current directory. Optionally, a version and a
         language can be specified for the entry in the File table."""

Lib/test/test_descrtut.py

@@ -316,7 +316,7 @@ Attributes defined by get/set methods
     ...         return self.__set(inst, value)
 
 Now let's define a class with an attribute x defined by a pair of methods,
-getx() and and setx():
+getx() and setx():
 
     >>> class C(object):
     ...

Lib/test/test_socket.py

@@ -442,7 +442,7 @@ class GeneralModuleTests(unittest.TestCase):
         # Try same call with optional protocol omitted
         port2 = socket.getservbyname(service)
         eq(port, port2)
-        # Try udp, but don't barf it it doesn't exist
+        # Try udp, but don't barf if it doesn't exist
         try:
             udpport = socket.getservbyname(service, 'udp')
         except socket.error:

Lib/tkinter/tix.py

@@ -1916,10 +1916,11 @@ class Grid(TixWidget, XView, YView):
               pad1 pixels
                      Specifies the paddings to the right of a column.
               size val
-                     Specifies  the  width of a column .
+                     Specifies the width of a column.  Val may be:
-                     Val may be: "auto" -- the width of the column is set the
+                     "auto" -- the width of the column is set to the
-                     the widest cell in the column; a valid Tk screen distance
+                     width of the widest cell in the column;
-                     unit; or a real number following by the word chars
+                     a valid Tk screen distance unit;
+                     or a real number following by the word chars
                      (e.g. 3.4chars) that sets the width of the column to the
                      given number of characters."""
         return self.tk.split(self.tk.call(self._w, 'size', 'column', index,
@@ -1940,10 +1941,11 @@ class Grid(TixWidget, XView, YView):
               pad1 pixels
                      Specifies the paddings to the bottom of a row.
               size val
-                     Specifies  the height of a row.
+                     Specifies the height of a row.  Val may be:
-                     Val may be: "auto" -- the height of the row  is  set  the
+                     "auto" -- the height of the row is set to the
-                     the highest cell in the row; a valid Tk screen distance
+                     height of the highest cell in the row;
-                     unit; or a real number following by the word chars
+                     a valid Tk screen distance unit;
+                     or a real number following by the word chars
                      (e.g. 3.4chars) that sets the height of the row to the
                      given number of characters."""
         return self.tk.split(self.tk.call(

Lib/turtle.py

@@ -857,8 +857,8 @@ class TurtleScreenBase(object):
 class Terminator (Exception):
     """Will be raised in TurtleScreen.update, if _RUNNING becomes False.
 
-    Thus stops execution of turtle graphics script. Main purpose: use in
+    This stops execution of a turtle graphics script.
-    in the Demo-Viewer turtle.Demo.py.
+    Main purpose: use in the Demo-Viewer turtle.Demo.py.
     """
     pass