classes/lib: Update to match python3 iter requirements

python3 standardises its use of iteration operations. Update
the code to match the for python3 requires.

(From OE-Core rev: 2476bdcbef591e951d11d57d53f1315848758571)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/devtool.py

@@ -50,7 +50,7 @@ class DevtoolBase(oeSelfTest):
 
 
         missingvars = {}
-        for var, value in checkvars.iteritems():
+        for var, value in checkvars.items():
             if value is not None:
                 missingvars[var] = value
         self.assertEqual(missingvars, {}, 'Some expected variables not found in recipe: %s' % checkvars)

meta/lib/oeqa/selftest/sstatetests.py

@@ -445,14 +445,14 @@ http_proxy = "http://example.com/"
         files1 = get_files(topdir + "/tmp-sstatesamehash/stamps/")
         files2 = get_files(topdir + "/tmp-sstatesamehash2/stamps/")
         # Remove items that are identical in both sets
-        for k,v in files1.viewitems() & files2.viewitems():
+        for k,v in files1.items() & files2.items():
             del files1[k]
             del files2[k]
         if not files1 and not files2:
             # No changes, so we're done
             return
 
-        for k in files1.viewkeys() | files2.viewkeys():
+        for k in files1.keys() | files2.keys():
             if k in files1 and k in files2:
                 print("%s differs:" % k)
                 print(subprocess.check_output(("bitbake-diffsigs",

meta/lib/oeqa/utils/decorators.py

@@ -215,7 +215,7 @@ def tag(*args, **kwargs):
     def wrap_ob(ob):
         for name in args:
             setattr(ob, __tag_prefix + name, True)
-        for name, value in kwargs.iteritems():
+        for name, value in kwargs.items():
             setattr(ob, __tag_prefix + name, value)
         return ob
     return wrap_ob