Conform to pep8 and pylint :

pep8 version: 2.3.1
./ConfigTreeNode.py:130:49: E231 missing whitespace after ','
./editors/Viewer.py:643:24: E128 continuation line under-indented for visual indent
./editors/Viewer.py:670:12: E221 multiple spaces before operator
./editors/Viewer.py:671:13: E221 multiple spaces before operator
./editors/Viewer.py:2138:52: E203 whitespace before ':'
./editors/Viewer.py:2139:66: W291 trailing whitespace
./controls/VariablePanel.py:154:25: E231 missing whitespace after ','
./controls/LocationCellEditor.py:88:1: W293 blank line contains whitespace
./controls/LocationCellEditor.py:191:25: E221 multiple spaces before operator
./controls/LocationCellEditor.py:200:17: E128 continuation line under-indented for visual indent

pylint 1.8.3,
************* Module controls.LocationCellEditor
controls/LocationCellEditor.py:200: [C0330(bad-continuation), ] Wrong continued indentation (add 9 spaces).
_("Selected location is identical to previous one"))
^ |
************* Module controls.VariablePanel
controls/VariablePanel.py:154: [E1601(print-statement), VariableTable.SetValue] print statement used
************* Module editors.Viewer
editors/Viewer.py:643: [C0330(bad-continuation), ] Wrong continued indentation (add 1 space).
self.GetAddMenuCallBack(self.AddNewComment))
^|
editors/Viewer.py:598: [W0612(unused-variable), Viewer.AddDivergenceMenuItems] Unused variable 'add_branch'
editors/Viewer.py:1655: [E0602(undefined-variable), Viewer.PopupConnectionMenu] Undefined variable 'variable_type'
editors/Viewer.py:1649: [W0612(unused-variable), Viewer.PopupConnectionMenu] Unused variable 'connection_type'
************* Module connectors.PYRO.PSK_Adapter

     1

<?xml version="1.0"?>

     2

<purchaseOrder orderDate="1999-10-20">

     3

  <shipTo country="US">

     4

    <name>Alice Smith</name>

     5

    <street>123 Maple Street</street>

     6

    <city>Mill Valley</city>

     7

    <state>CA</state>

     8

    <zip>90952</zip>

     9

  </shipTo>

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  <billTo country="US">

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    <name>Robert Smith</name>

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    <street>8 Oak Avenue</street>

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    <city>Old Town</city>

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    <state>PA</state>

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    <zip>95819</zip>

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  </billTo>

    17

  <comment>Hurry, my lawn is going wild!</comment>

    18

  <items>

    19

    <item partNum="872-AA">

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      <productName>Lawnmower</productName>

    21

      <quantity>1</quantity>

    22

      <USPrice>148.95</USPrice>

    23

      <comment>Confirm this is electric</comment>

    24

    </item>

    25

    <item partNum="926-AA">

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      <productName>Baby Monitor</productName>

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      <quantity>1</quantity>

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      <USPrice>39.98</USPrice>

    29

      <shipDate>1999-05-21</shipDate>

    30

    </item>

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  </items>

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</purchaseOrder>