old_contents: from yacron import config
  
  
  def test_mergedicts():
  	assert dict(config.mergedicts({"a": 1}, {"b": 2})) == {"a": 1, "b": 2}
  
  
  def test_mergedicts_nested():
  	assert dict(config.mergedicts(
  	    {"a": {'x': 1, 'y': 2, 'z': 3}},
  	    {'a': {'y': 10}, "b": 2})) == \
  		{"a": {'x': 1, 'y': 10, 'z': 3}, "b": 2}
  
  
  def test_mergedicts_right_none():
  	assert dict(config.mergedicts(
  	    {"a": {'x': 1}},
  	    {"a": None, "b": 2})) == \
  		{"a": {'x': 1}, "b": 2}
  
  
  def test_mergedicts_lists():
  	assert dict(config.mergedicts(
  	    {"env": [{'key': 'FOO'}]},
  	    {"env": [{'key': 'BAR'}]})) \
  		== \
  		{"env": [{'key': 'FOO'}, {'key': 'BAR'}]}
  
new_contents: from yacron import config
  
  
  def test_mergedicts():
      assert dict(config.mergedicts({"a": 1}, {"b": 2})) == {"a": 1, "b": 2}
  
  
  def test_mergedicts_nested():
      assert (dict(config.mergedicts(
          {"a": {'x': 1, 'y': 2, 'z': 3}},
          {'a': {'y': 10}, "b": 2}
      )) == {"a": {'x': 1, 'y': 10, 'z': 3}, "b": 2})
  
  
  def test_mergedicts_right_none():
      assert (dict(config.mergedicts(
          {"a": {'x': 1}},
          {"a": None, "b": 2}
      )) == {"a": {'x': 1}, "b": 2})
  
  
  def test_mergedicts_lists():
      assert (dict(config.mergedicts(
          {"env": [{'key': 'FOO'}]},
          {"env": [{'key': 'BAR'}]}
      )) == {"env": [{'key': 'FOO'}, {'key': 'BAR'}]})
  
subject: Replace tabs with spaces, use parens to get rid of backslashes