python - Cannot install canopy from Enthought under Debian Wheezy Linux -

i downloaded canopy linux-32-i86 newest version tried install on linux-notebook (amilo ~2004) - produced following error messages:

[...] installing /ibk-varia/canopy ... please wait /home/kampmann/.local/share/applications/canopy.desktop: error: (will  fatal in future): value "science" in key "categories" in group  "desktop entry" requires category present among  following categories: education databases in [/usr/share/gnome/applications, /usr/local/share    /applications, /usr/share/applications] not updated. there  wrong these texts????? unknown media type in type 'unknown/mime-type' done.  can run canopy graphical environment running script:      /ibk-varia/canopy/canopy  or selecting 'canopy' in applications menu.  on first run, canopy user python environment initialized, , have opportunity make canopy  default python @ command line. details @ support.enthought.com/forums  thank installing canopy!  warning: pythonpath environment variable set.  might      cause unexpected behavior when running newly installed python      interpreter.  kampmann@ibk-womo:/ibk-varia/newsoftware$  

after run "canopy" after seconds of activity nothing available. log file , others showed:

runtime (2015-08-10):  exception in thread thread-3 (most raised during interpreter  shutdown): traceback (most recent call last):   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7          /threading.py", line 810, in __bootstrap_inner   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7         /threading.py", line 763, in run   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 390, in _check_authenticated_user_info   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 278, in get_enstaller_user_info   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 261, in get_enstaller_session   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 253, in do_authenticate   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7         /site-packages/enstaller/session.py", line 179, in authenticate   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7         /site-packages/enstaller/auth/auth_managers.py",    line 47, in authenticate   <type 'exceptions.attributeerror'>: 'nonetype' object has no attribute          'exceptions' kampmann@ibk-womo:/ibk-varia/canopy$  

and now:

exception in thread thread-3 (most raised during interpreter  shutdown): traceback (most recent call last):   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7          /threading.py", line 810, in __bootstrap_inner   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7         /threading.py", line 763, in run   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 390, in _check_authenticated_user_info   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",   line 278, in get_enstaller_user_info   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 261, in get_enstaller_session   file "build/bdist.linux-x86_64/egg/canopy/accounts/account_service.py",    line 253, in do_authenticate   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7   /site-packages/enstaller/session.py", line 179, in authenticate   file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7   /site-packages/enstaller/auth/auth_managers.py",    line 47, in authenticate <type 'exceptions.attributeerror'>: 'nonetype' object has no attribute        'exceptions' kampmann@ibk-womo:/ibk-varia/canopy$   logfile - 2015-08-10:  info|2015-08-10 22:48:10,697|=============  start bootstrap logging        ================= info|2015-08-10 22:48:10,717| current log file:         bootstrap_2015_0810_2248_10665007.log debug|2015-08-10 22:48:15,411|loading preferences </home/kampmann       /.canopy/preferences.ini> debug|2015-08-10 22:48:15,466|disabling proxy support after preference        apply. debug|2015-08-10 22:48:15,467|disabling proxy support after preference        apply. debug|2015-08-10 22:48:15,480|  proxy_info = {}; no_proxy =         localhost,127.0.0.1 info|2015-08-10 22:48:15,480|urllib2 using proxy = false debug|2015-08-10 22:48:15,480|no http proxy set qt info|2015-08-10 22:48:15,522|bootstrap: running process manager       created application home @ /home/kampmann/.canopy debug|2015-08-10 22:48:15,608|bootstrap locked dead process. info|2015-08-10 22:48:15,609|process locked layers dead info      {'status': 'install', 'layer': 1} debug|2015-08-10 22:48:15,609|acquired bootstrap lock. debug|2015-08-10 22:48:15,610|wipe out /home/kampmann/enthought      /canopy_32bit/system debug|2015-08-10 22:48:19,594|---------- starting gui event loop                               ---------- debug|2015-08-10 22:48:19,865|wipe out /home/kampmann/enthought      /canopy_32bit/user debug|2015-08-10 22:48:19,931|---------- starting gui event loop                               ---------- info|2015-08-10 22:48:20,204|bootstrap settings: {'_common_prefs':      <apptools.preferences.preferences.preferences object @ 0xb56c07ac>, '_lock': <canopy.app.bootstrap.bootstraplock object @ 0xb46c746c>, '_logging_setup': true, '_not_start_app': false, '_options': namespace(batch_mode=false, common_install=false,          default=none, factory_reset=false, func=none, install_dir='',           launch_prefix='/ibk-varia/canopy/appdata/canopy-             1.5.5.3123.rh5-x86', no_gui_setup=false, profile='',              recovery_mode=false, safe_mode=false), '_proc_manager':          <canopy.app.running_process_manager.runningprocessmanager object                  @ 0xb4724c0c>, '_use_running_python_for_venv_ops': true, 'app_name': 'canopy', 'app_root': '/ibk-varia/canopy', 'application_home': '/home/kampmann/.canopy', 'batch_mode': false, 'bits': '32bit', 'common_layer1': '', 'common_layer2': '', 'common_locations_cfg': '/ibk-varia/canopy/locations.cfg', 'common_preferences_path': '/ibk-varia/canopy/preferences.ini', 'company_name': 'enthought', 'default_app_home': '/home/kampmann/.canopy', 'default_user_data': '/home/kampmann/canopy', 'esky_app': '/ibk-varia/canopy/canopy', 'esky_appdir': '/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86', 'has_venv': true, 'is_esky_app': true, 'launch_prefix': '/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86', 'layer0_location': '/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86', 'layer1_location': u'/home/kampmann/enthought/canopy_32bit/system', 'layer2_location': u'/home/kampmann/enthought/canopy_32bit/user', 'no_gui': false, 'orig_app_name': 'canopy', 'product_name': 'canopy', 'profile': '', 'python_for_installer': u'/home/kampmann/enthought/canopy_32bit/system                          /bin/python', 'python_l0': '/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/bin                         /python', 'python_l1': u'/home/kampmann/enthought/canopy_32bit/system/bin/python', 'python_l2': u'/home/kampmann/enthought/canopy_32bit/user/bin/python', 'read_only': false, 'scripts_dir': 'bin', 'user_data': '/home/kampmann/canopy'} info|2015-08-10 22:48:20,231|creating venv in layer1: /home/kampmann               /enthought/canopy_32bit/system error|2015-08-10 22:48:20,232|unhandled io/os error. traceback (most recent call last):    file "build/bdist.linux-x86_64/egg/canopy/app/util.py",      line 270, in handle_common_io_errors    file "build/bdist.linux-x86_64/egg/canopy/app/bootstrap.py",      line 2400, in main    file "build/bdist.linux-x86_64/egg/canopy/app/bootstrap.py",      line 1351, in main    file "build/bdist.linux-x86_64/egg/canopy/app/bootstrap.py",      line 1533, in setup_layers    file "build/bdist.linux-x86_64/egg/canopy/app/bootstrap.py",      line 997, in _setup_layer    file "build/bdist.linux-x86_64/egg/canopy/app/bootstrap.py",      line 1266, in create_venv    file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7          /venv/__init__.py",      line 383, in create builder.create(env_dir)    file "/ibk-varia/canopy/appdata/canopy-1.5.5.3123.rh5-x86/lib/python2.7          /venv/__init__.py",      line 94