diff --git a/stdlib/3/fileinput.pyi b/stdlib/3/fileinput.pyi
index 8e799c29e..2d2cdd569 100644
--- a/stdlib/3/fileinput.pyi
+++ b/stdlib/3/fileinput.pyi
@@ -1,46 +1,49 @@
 from typing import Iterable, BinaryIO
 
-def input(
-    files               = None, 
-    inplace:    bool    = ...,
-    backup:     str     = ...,
-    bufsize:    int     = ..., 
-    mode:       str     = ...,
-    openhook            = None): ...
 
-def close()         -> None : ...
-def nextfile()      -> None : ...
-def filename()      -> str  : ...
-def lineno()        -> int  : ...
-def isfirstline()   -> bool : ...
-def isstdin()       -> bool : ...
+def input(
+    files=None,
+    inplace: bool=...,
+    backup: str=...,
+    bufsize: int=...,
+    mode: str=...,
+    openhook=None
+    ): ...
+
+
+def close() -> None: ...
+def nextfile() -> None: ...
+def filename() -> str: ...
+def lineno() -> int: ...
+def isfirstline() -> bool: ...
+def isstdin() -> bool: ...
 
 class FileInput(Iterable):
     def __init__(
         self,
-        files               = None,
-        inplace:    bool    = ...,
-        backup:     str     = ...,
-        bufsize:    int     = ...,
-        mode:       str     = ...,
-        openhook            = None) -> None : ...
+        files=None,
+        inplace: bool=...,
+        backup: str=...,
+        bufsize: int=...,
+        mode: str=...,
+        openhook=None
+        ) -> None: ...
 
+    def __del__(self) -> None: ...
+    def close(self) -> None: ...
+    def __enter__(self): ...
+    def __exit__(self, type, value, traceback) -> None: ...
+    def __iter__(self): ...
+    def __next__(self) -> str: ...
+    def __getitem__(self, i) -> str: ...
+    def nextfile(self) -> None: ...
+    def readline(self) -> str: ...
+    def filename(self) -> str: ...
+    def lineno(self) -> int: ...
+    def filelineno(self) -> int: ...
+    def fileno(self) -> int: ...
+    def isfirstline(self) -> bool: ...
+    def isstdin(self) -> bool: ...
 
-    def __del__(self)                           -> None : ...
-    def close(self)                             -> None : ...
-    def __enter__(self)                                 : ...
-    def __exit__(self, type, value, traceback)  -> None : ...
-    def __iter__(self)                                  : ...
-    def __next__(self)                          -> str  : ...
-    def __getitem__(self, i)                    -> str  : ...
-    def nextfile(self)                          -> None : ...
-    def readline(self)                          -> str  : ...
-    def filename(self)                          -> str  : ...
-    def lineno(self)                            -> int  : ...
-    def filelineno(self)                        -> int  : ...
-    def fileno(self)                            -> int  : ...
-    def isfirstline(self)                       -> bool : ...
-    def isstdin(self)                           -> bool : ...
-
-def hook_compressed(filename: str, mode: str)   -> BinaryIO : ...
-def hook_encoded(encoding: str)                 -> BinaryIO : ...
+def hook_compressed(filename: str, mode: str) -> BinaryIO: ...
+def hook_encoded(encoding: str) -> BinaryIO: ...