sudo port uninstall py27-pyqt4
--->  Unable to uninstall py27-pyqt4 @4.10.3_2, the following ports depend on it:
--->  	py27-qscintilla @2.7.2_3
Error: org.macports.uninstall for port py27-pyqt4 returned: Please uninstall the ports that depend on py27-pyqt4 first.
Please see the log file for port py27-pyqt4 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_registry_portfiles_py27-pyqt4_4.10.3_2/py27-pyqt4/main.log
Warning: Failed to execute portfile from registry for py27-pyqt4 @4.10.3_2
--->  Unable to uninstall py27-pyqt4 @4.10.3_2, the following ports depend on it:
--->  	py27-qscintilla @2.7.2_3
Error: port uninstall failed: Please uninstall the ports that depend on py27-pyqt4 first.
sh-3.2# sudo port -vf uninstall py27-qscintilla
--->  Deactivating py27-qscintilla @2.7.2_3
--->  Cleaning py27-qscintilla
--->  Removing work directory for py27-qscintilla
--->  Uninstalling py27-qscintilla @2.7.2_3
--->  Cleaning py27-qscintilla
--->  Removing work directory for py27-qscintilla
sudo port -vf uninstall py27-pyqt4
--->  Uninstalling py27-pyqt4 @4.10.3_2
--->  Cleaning py27-pyqt4
--->  Removing work directory for py27-pyqt4
sudo port -vf uninstall py27-pyqt4-devel
--->  Deactivating py27-pyqt4-devel @4.10.4_20131018_0
--->  Cleaning py27-pyqt4-devel
--->  Removing work directory for py27-pyqt4-devel
--->  Uninstalling py27-pyqt4-devel @4.10.4_20131018_0
--->  Cleaning py27-pyqt4-devel
--->  Removing work directory for py27-pyqt4-devel
sudo port install qgis
--->  Computing dependencies for qgis
--->  Dependencies to be installed: py27-pyqt4-devel py27-qscintilla py27-pyqt4
--->  Fetching archive for py27-pyqt4-devel
--->  Attempting to fetch py27-pyqt4-devel-4.10.4_20131018_0.darwin_12.x86_64.tbz2 from http://packages.macports.org/py27-pyqt4-devel
--->  Attempting to fetch py27-pyqt4-devel-4.10.4_20131018_0.darwin_12.x86_64.tbz2 from http://lil.fr.packages.macports.org/py27-pyqt4-devel
--->  Attempting to fetch py27-pyqt4-devel-4.10.4_20131018_0.darwin_12.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/py27-pyqt4-devel
--->  Fetching distfiles for py27-pyqt4-devel
--->  Verifying checksums for py27-pyqt4-devel
--->  Extracting py27-pyqt4-devel
--->  Applying patches to py27-pyqt4-devel
--->  Configuring py27-pyqt4-devel
--->  Building py27-pyqt4-devel
--->  Staging py27-pyqt4-devel into destroot
--->  Installing py27-pyqt4-devel @4.10.4_20131018_0
--->  Activating py27-pyqt4-devel @4.10.4_20131018_0
--->  Cleaning py27-pyqt4-devel
--->  Fetching archive for py27-pyqt4
--->  Attempting to fetch py27-pyqt4-4.10.3_2.darwin_12.x86_64.tbz2 from http://packages.macports.org/py27-pyqt4
--->  Attempting to fetch py27-pyqt4-4.10.3_2.darwin_12.x86_64.tbz2 from http://lil.fr.packages.macports.org/py27-pyqt4
--->  Attempting to fetch py27-pyqt4-4.10.3_2.darwin_12.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/py27-pyqt4
--->  Fetching distfiles for py27-pyqt4
--->  Verifying checksums for py27-pyqt4
--->  Extracting py27-pyqt4
--->  Applying patches to py27-pyqt4
--->  Configuring py27-pyqt4
--->  Building py27-pyqt4
--->  Staging py27-pyqt4 into destroot
--->  Installing py27-pyqt4 @4.10.3_2
--->  Activating py27-pyqt4 @4.10.3_2
Error: org.macports.activate for port py27-pyqt4 returned: Image error: /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/pylupdate4 is being used by the active py27-pyqt4-devel port.  Please deactivate this port first, or use 'port -f activate py27-pyqt4' to force the activation.
Error: Failed to install py27-pyqt4
Please see the log file for port py27-pyqt4 for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_python_py-pyqt4/py27-pyqt4/main.log
Error: The following dependencies were not installed: py27-qscintilla py27-pyqt4
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port qgis failed