Error report when install Pylith: FAIL: testpylith.py

I encountered this error report when I install PYLITH on my Linux system. anyone can help me kill this trouble. Thanks a lot advance. the detail error report as followed:

for f in TestTri3.py TestAxialDisp.py axialdisp_soln.py axialdisp_gendb.py TestShearDisp.py TestShearDispNoSlip.py TestShearDispNoSlipRefine.py TestShearDispFriction.py sheardisp_soln.py sheardisp_gendb.py TestSlipOneFault.py sliponefault_soln.py TestSlipTwoFaults.py sliptwofaults_soln.py TestFaultsIntersect.py geometry.jou mesh.jou mesh.exo matprops.spatialdb axialdisp.cfg sheardisp.cfg sheardispnoslip.cfg sheardispnosliprefine.cfg sheardispfriction.cfg sliponefault.cfg points.txt sliptwofaults.cfg faultsintersect.cfg; do /bin/bash /home/csulxg/src/pylith/pylith-2.2.1/aux-config/install-sh -c -m 644 ../../../../pylith-2.2.1/tests_auto/2d/tri3/$f ../../../tests_auto/2d/tri3; done

make check-am
make[6]: Entering directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
make testpylith.py
make[7]: Entering directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
make[7]: Nothing to be done for ‘…/…/…/…/pylith-2.2.1/tests_auto/2d/tri3/testpylith.py’.
make[7]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
make check-TESTS check-local
make[7]: Entering directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
make[8]: Entering directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
FAIL: testpylith.py

Testsuite summary for PyLith 2.2.1

TOTAL: 1

PASS: 0

SKIP: 0

XFAIL: 0

FAIL: 1

XPASS: 0

ERROR: 0

============================================================================
See tests_auto/2d/tri3/test-suite.log
Please report to cig-short@geodynamics.org

Makefile:665: recipe for target ‘test-suite.log’ failed
make[8]: *** [test-suite.log] Error 1
make[8]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
Makefile:771: recipe for target ‘check-TESTS’ failed
make[7]: *** [check-TESTS] Error 2
make[7]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
Makefile:844: recipe for target ‘check-am’ failed
make[6]: *** [check-am] Error 2
make[6]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
Makefile:847: recipe for target ‘check’ failed
make[5]: *** [check] Error 2
make[5]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d/tri3’
Makefile:441: recipe for target ‘check-recursive’ failed
make[4]: *** [check-recursive] Error 1
make[4]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto/2d’
Makefile:441: recipe for target ‘check-recursive’ failed
make[3]: *** [check-recursive] Error 1
make[3]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build/tests_auto’
Makefile:507: recipe for target ‘check-recursive’ failed
make[2]: *** [check-recursive] Error 1
make[2]: Leaving directory ‘/home/csulxg/src/pylith/pylith-build’
Makefile:1402: recipe for target ‘pylith’ failed
make[1]: *** [pylith] Error 2
make[1]: Leaving directory ‘/home/csulxg/src/pylith’
Makefile:1418: recipe for target ‘installed_pylith’ failed
make: *** [installed_pylith] Error 2