Fix the no cover pragmas.

.coveragerc

@@ -3,7 +3,7 @@ source = persistent
 
 [report]
 exclude_lines =
-    # pragma: no cover
+    pragma: no cover
     class I[A-Z]\w+\((Interface|I[A-Z].*)\):
     raise NotImplementedError
     raise AssertionError

persistent/__init__.py

@@ -26,7 +26,7 @@ if not PURE_PYTHON:
         from persistent.cPersistence import CHANGED
         from persistent.cPersistence import STICKY
         from persistent.cPersistence import simple_new
-    except ImportError: #pragma NO COVER
+    except ImportError: # pragma: no cover
         from persistent.persistence import Persistent
         from persistent.persistence import GHOST
         from persistent.persistence import UPTODATE
@@ -39,7 +39,7 @@ if not PURE_PYTHON:
         # is available.  Note that the Python version already does this.
         try:
             from zope.interface import classImplements
-        except ImportError: #pragma NO COVER
+        except ImportError: # pragma: no cover
             pass
         else:
             from persistent.interfaces import IPersistent
@@ -47,17 +47,17 @@ if not PURE_PYTHON:
 
     try:
         from persistent.cPickleCache import PickleCache
-    except ImportError: #pragma NO COVER
+    except ImportError: # pragma: no cover
         from persistent.picklecache import PickleCache
 
     try:
         import persistent.TimeStamp
-    except ImportError: #pragma NO COVER
+    except ImportError: # pragma: no cover
         import persistent.timestamp as TimeStamp
         import sys
         sys.modules['persistent.TimeStamp'
                    ] = sys.modules['persistent.timestamp']
-else: #pragma NO COVER
+else: # pragma: no cover
     from persistent.persistence import Persistent
     from persistent.persistence import GHOST
     from persistent.persistence import UPTODATE

persistent/_compat.py

@@ -14,7 +14,7 @@
 
 import sys
 
-if sys.version_info[0] > 2: #pragma NO COVER
+if sys.version_info[0] > 2: # pragma: no cover
     import copyreg as copy_reg
     from collections import UserDict as IterableUserDict
     from collections import UserList
@@ -36,7 +36,7 @@ if sys.version_info[0] > 2: #pragma NO COVER
     PYTHON3 = True
     PYTHON2 = False
 
-else: #pragma NO COVER
+else: # pragma: no cover
     import copy_reg
     from UserDict import IterableUserDict
     from UserList import UserList

persistent/interfaces.py

@@ -23,7 +23,7 @@ try:
     from persistent.cPersistence import UPTODATE
     from persistent.cPersistence import CHANGED
     from persistent.cPersistence import STICKY
-except ImportError: #pragma NO COVER
+except ImportError: # pragma: no cover
     GHOST = -1
     UPTODATE = 0
     CHANGED = 1

persistent/timestamp.py

@@ -24,7 +24,7 @@ _MAXINT = sys.maxsize
 def _makeOctets(s):
     if sys.version_info < (3,):
         return bytes(s)
-    return bytes(s, 'ascii') #pragma NO COVERAGE
+    return bytes(s, 'ascii') # pragma: no cover
 
 
 _ZERO = _makeOctets('\x00' * 8)
@@ -175,7 +175,7 @@ class pyTimeStamp(object):
 
         x = _wraparound(x)
 
-        if x == -1: #pragma: no cover
+        if x == -1: # pragma: no cover
             # The C version has this condition, but it's not clear
             # why; it's also not immediately obvious what bytestring
             # would generate this---hence the no-cover
@@ -212,5 +212,5 @@ class pyTimeStamp(object):
 
 try:
     from persistent._timestamp import TimeStamp
-except ImportError: #pragma NO COVER
+except ImportError: # pragma: no cover
     TimeStamp = pyTimeStamp

persistent/wref.py

@@ -83,7 +83,7 @@ class PersistentWeakKeyDictionary(Persistent):
             self.update(adict)
         # XXX 'kwargs' is pointless, because keys must be strings, but we
         #     are going to try (and fail) to wrap a WeakRef around them.
-        if kwargs: #pragma NO COVER
+        if kwargs: # pragma: no cover
             self.update(kwargs)
 
     def __getstate__(self):