test/py: Import 'configparser' lower case to be python 3.x safe

In python 3.x the configparser module is named with all lower case.
Import it as such in order to avoid errors when running on python 3.x,
and fall back to the CamelCase version in order to keep working with
python 2.x.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>

test/py/conftest.py

@@ -18,11 +18,15 @@ import os
 import os.path
 import pytest
 from _pytest.runner import runtestprotocol
-import ConfigParser
 import re
 import StringIO
 import sys
 
+try:
+    import configparser
+except:
+    import ConfigParser as configparser
+
 # Globals: The HTML log file, and the connection to the U-Boot console.
 log = None
 console = None
@@ -166,7 +170,7 @@ def pytest_configure(config):
         with open(dot_config, 'rt') as f:
             ini_str = '[root]\n' + f.read()
             ini_sio = StringIO.StringIO(ini_str)
-            parser = ConfigParser.RawConfigParser()
+            parser = configparser.RawConfigParser()
             parser.readfp(ini_sio)
             ubconfig.buildconfig.update(parser.items('root'))