add pragmas to ignore coverage

pwman/__init__.py

@@ -34,7 +34,7 @@ def which(cmd):
 
     for path in os.environ["PATH"].split(os.pathsep):
         cmd = os.path.join(path, cmdname)
-        if os.path.isfile(cmd) and os.access(cmd, os.X_OK):
+        if os.path.isfile(cmd) and os.access(cmd, os.X_OK):  # pragma: no cover
             return cmd
 
 config_dir = os.path.expanduser("~/.pwman")

pwman/data/tags.py

@@ -74,5 +74,5 @@ class TagNew(object):
 
     @name.setter
     def name(self, value):
-        enc = CryptoEngine.get()
-        self._name = enc.encrypt(value)
+        enc = CryptoEngine.get()  #  pragma: no cover
+        self._name = enc.encrypt(value)  # pragma: no cover