Whitespace fixes for Python tools

tools/misc_utils.py

Index: tools/misc_utils.py
diff --git a/tools/misc_utils.py b/tools/misc_utils.py
index c3e09da40f79910548c4645fd6d59966d0c0687e..89a2f924b13b16d539c182d8e54cd2abf3724413 100644
--- a/tools/misc_utils.py
+++ b/tools/misc_utils.py
@@ -11,48 +11,49 @@ import re
 
 
 class ReSearch(object):
-    """A collection of static methods for regexing things."""
-
-    @staticmethod
-    def search_within_stream(input_stream, pattern, default=None):
-        """Search for regular expression in a file-like object.
-
-        Opens a file for reading and searches line by line for a match to
-        the regex and returns the parenthesized group named return for the
-        first match.  Does not search across newlines.
-
-        For example:
-            pattern = '^root(:[^:]*){4}:(?P<return>[^:]*)'
-            with open('/etc/passwd', 'r') as stream:
-                return search_within_file(stream, pattern)
-        should return root's home directory (/root on my system).
-
-        Args:
-            input_stream: file-like object to be read
-            pattern: (string) to be passed to re.compile
-            default: what to return if no match
-
-        Returns:
-            A string or whatever default is
-        """
-        pattern_object = re.compile(pattern)
-        for line in input_stream:
-            match = pattern_object.search(line)
-            if match:
-                return match.group('return')
-        return default
-
-    @staticmethod
-    def search_within_string(input_string, pattern, default=None):
-        """Search for regular expression in a string.
-
-        Args:
-            input_string: (string) to be searched
-            pattern: (string) to be passed to re.compile
-            default: what to return if no match
-
-        Returns:
-            A string or whatever default is
-        """
-        match = re.search(pattern, input_string)
-        return match.group('return') if match else default
+  """A collection of static methods for regexing things."""
+
+  @staticmethod
+  def search_within_stream(input_stream, pattern, default=None):
+    """Search for regular expression in a file-like object.
+
+    Opens a file for reading and searches line by line for a match to
+    the regex and returns the parenthesized group named return for the
+    first match.  Does not search across newlines.
+
+    For example:
+        pattern = '^root(:[^:]*){4}:(?P<return>[^:]*)'
+        with open('/etc/passwd', 'r') as stream:
+            return search_within_file(stream, pattern)
+    should return root's home directory (/root on my system).
+
+    Args:
+        input_stream: file-like object to be read
+        pattern: (string) to be passed to re.compile
+        default: what to return if no match
+
+    Returns:
+        A string or whatever default is
+    """
+    pattern_object = re.compile(pattern)
+    for line in input_stream:
+      match = pattern_object.search(line)
+      if match:
+        return match.group('return')
+    return default
+
+  @staticmethod
+  def search_within_string(input_string, pattern, default=None):
+    """Search for regular expression in a string.
+
+    Args:
+        input_string: (string) to be searched
+        pattern: (string) to be passed to re.compile
+        default: what to return if no match
+
+    Returns:
+        A string or whatever default is
+    """
+    match = re.search(pattern, input_string)
+    return match.group('return') if match else default
+