Possible indentation issue with lupdate parser

[xgvargas]

class ThisWorks(QtGui.QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)

        self.a =self.tr("i'm fine")

class ThisFails(QtGui.QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)

        self.b = '''a long text with
more them one line'''                 #  <---- a single space before 'm' solves the problem

        self.a =self.tr("i'm sad")

the .TS generated for the second class will have no identifier:

<context>
    <name></name>     <!----- empty  -->
    <message>
        <location filename="../console.py" line="37"/>
        <source>i&apos;m sad</source>
        <translation type="unfinished"></translation>
    </message>
</context>
<context>
    <name>ThisWorks</name>
    <message>
        <location filename="../console.py" line="26"/>
        <source>i&apos;m fine</source>
        <translation type="unfinished"></translation>
    </message>
</context>