Restoring authorship annotation for <smosker@yandex-team.ru>. Commit 1 of 2.

1 files changed, 51 insertions, 51 deletions

diff --git a/contrib/python/attrs/attr/converters.py b/contrib/python/attrs/attr/converters.py
index 2777db6d0af..3373374b567 100644
--- a/contrib/python/attrs/attr/converters.py
+++ b/contrib/python/attrs/attr/converters.py
@@ -7,7 +7,7 @@ from __future__ import absolute_import, division, print_function
 from ._compat import PY2
 from ._make import NOTHING, Factory, pipe
 
-
+ 
 if not PY2:
     import inspect
     import typing
@@ -31,7 +31,7 @@ def optional(converter):
     :param callable converter: the converter that is used for non-``None``
         values.
 
-    .. versionadded:: 17.1.0
+    .. versionadded:: 17.1.0 
     """
 
     def optional_converter(val):
@@ -57,55 +57,55 @@ def optional(converter):
                 ]
 
     return optional_converter
-
-
-def default_if_none(default=NOTHING, factory=None):
-    """
-    A converter that allows to replace ``None`` values by *default* or the
-    result of *factory*.
-
-    :param default: Value to be used if ``None`` is passed. Passing an instance
+ 
+ 
+def default_if_none(default=NOTHING, factory=None): 
+    """ 
+    A converter that allows to replace ``None`` values by *default* or the 
+    result of *factory*. 
+ 
+    :param default: Value to be used if ``None`` is passed. Passing an instance 
        of `attr.Factory` is supported, however the ``takes_self`` option
-       is *not*.
+       is *not*. 
     :param callable factory: A callable that takes no parameters whose result
-       is used if ``None`` is passed.
-
-    :raises TypeError: If **neither** *default* or *factory* is passed.
-    :raises TypeError: If **both** *default* and *factory* are passed.
+       is used if ``None`` is passed. 
+ 
+    :raises TypeError: If **neither** *default* or *factory* is passed. 
+    :raises TypeError: If **both** *default* and *factory* are passed. 
     :raises ValueError: If an instance of `attr.Factory` is passed with
-       ``takes_self=True``.
-
-    .. versionadded:: 18.2.0
-    """
-    if default is NOTHING and factory is None:
-        raise TypeError("Must pass either `default` or `factory`.")
-
-    if default is not NOTHING and factory is not None:
-        raise TypeError(
-            "Must pass either `default` or `factory` but not both."
-        )
-
-    if factory is not None:
-        default = Factory(factory)
-
-    if isinstance(default, Factory):
-        if default.takes_self:
-            raise ValueError(
-                "`takes_self` is not supported by default_if_none."
-            )
-
-        def default_if_none_converter(val):
-            if val is not None:
-                return val
-
-            return default.factory()
-
-    else:
-
-        def default_if_none_converter(val):
-            if val is not None:
-                return val
-
-            return default
-
-    return default_if_none_converter
+       ``takes_self=True``. 
+ 
+    .. versionadded:: 18.2.0 
+    """ 
+    if default is NOTHING and factory is None: 
+        raise TypeError("Must pass either `default` or `factory`.") 
+ 
+    if default is not NOTHING and factory is not None: 
+        raise TypeError( 
+            "Must pass either `default` or `factory` but not both." 
+        ) 
+ 
+    if factory is not None: 
+        default = Factory(factory) 
+ 
+    if isinstance(default, Factory): 
+        if default.takes_self: 
+            raise ValueError( 
+                "`takes_self` is not supported by default_if_none." 
+            ) 
+ 
+        def default_if_none_converter(val): 
+            if val is not None: 
+                return val 
+ 
+            return default.factory() 
+ 
+    else: 
+ 
+        def default_if_none_converter(val): 
+            if val is not None: 
+                return val 
+ 
+            return default 
+ 
+    return default_if_none_converter