Fix H404/405 violations for tools

There is a lot of H404/405 violations in Tempest now, and that leads
difficult to migrate the code to tempest-lib or the other projects'
repos. This patch fixes these violations for tools for enabling
H404/405 rules on Tempest.

Change-Id: I4e1d78532d8f96edd5fd28a7bd2d62181fe9144b
diff --git a/tools/skip_tracker.py b/tools/skip_tracker.py
index 50f33eb..a47e217 100755
--- a/tools/skip_tracker.py
+++ b/tools/skip_tracker.py
@@ -40,7 +40,8 @@
 
 
 def find_skips(start=TESTDIR):
-    """
+    """Find skipped tests
+
     Returns a list of tuples (method, bug) that represent
     test methods that have been decorated to skip because of
     a particular bug.
@@ -67,9 +68,7 @@
 
 
 def find_skips_in_file(path):
-    """
-    Return the skip tuples in a test file
-    """
+    """Return the skip tuples in a test file"""
     BUG_RE = re.compile(r'\s*@.*skip_because\(bug=[\'"](\d+)[\'"]')
     DEF_RE = re.compile(r'\s*def (\w+)\(')
     bug_found = False