ImportError: No module named qwt_thermo

[asturnebur]

I installed : PyQwt-4.2.3 and when install Qwt library i put : CONFIG+=qwt on my qwt.pro file.
and on my bashrc the line: export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/Desktop/qwt/qwt-6.0.1/lib/

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Added after 6 minutes:

qwt.pro file.

################################################## ##############
# Qwt Widget Library
# Copyright (C) 1997 Josef Wilgen
# Copyright (C) 2002 Uwe Rathmann
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the Qwt License, Version 1.0
################################################## ##############

include( qwtconfig.pri )

TEMPLATE = subdirs
CONFIG += ordered
CONFIG+=qwt
SUBDIRS = \
src \
textengines

contains(QWT_CONFIG, QwtDesigner ) {
SUBDIRS += designer
}

contains(QWT_CONFIG, QwtExamples ) {
SUBDIRS += examples
}

qwtspec.files = qwtconfig.pri qwt.prf
qwtspec.path = $${QWT_INSTALL_FEATURES}

INSTALLS += qwtspec

INCLUDEPATH += /usr/include/qwt-qt4

LIBS += -l qwt-qt4

[ChrisW67]

What does the Qwt pro file have to do with it?

Exactly which version of Ubuntu? Exactly which packages? The chances seem good that the bindings you have for Python are linked against a particular Qwt 5 version (probably 5.2.1).