Just wanted to bring this error to your attention:
Running setup.py install for PyYAML
checking if libyaml is compilable
gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/include/python2.6 -c build/temp.linux-x86_64-2.6/check_libyaml.c -o build/temp.linux-x86_64-2.6/check_libyaml.o
build/temp.linux-x86_64-2.6/check_libyaml.c:2:18: error: yaml.h: No such file or directory
build/temp.linux-x86_64-2.6/check_libyaml.c: In function ‘main’:
build/temp.linux-x86_64-2.6/check_libyaml.c:5: error: ‘yaml_parser_t’ undeclared (first use in this function)
build/temp.linux-x86_64-2.6/check_libyaml.c:5: error: (Each undeclared identifier is reported only once
build/temp.linux-x86_64-2.6/check_libyaml.c:5: error: for each function it appears in.)
build/temp.linux-x86_64-2.6/check_libyaml.c:5: error: expected ‘;’ before ‘parser’
build/temp.linux-x86_64-2.6/check_libyaml.c:6: error: ‘yaml_emitter_t’ undeclared (first use in this function)
build/temp.linux-x86_64-2.6/check_libyaml.c:6: error: expected ‘;’ before ‘emitter’
build/temp.linux-x86_64-2.6/check_libyaml.c:8: warning: implicit declaration of function ‘yaml_parser_initialize’
build/temp.linux-x86_64-2.6/check_libyaml.c:8: error: ‘parser’ undeclared (first use in this function)
build/temp.linux-x86_64-2.6/check_libyaml.c:9: warning: implicit declaration of function ‘yaml_parser_delete’
build/temp.linux-x86_64-2.6/check_libyaml.c:11: warning: implicit declaration of function ‘yaml_emitter_initialize’
build/temp.linux-x86_64-2.6/check_libyaml.c:11: error: ‘emitter’ undeclared (first use in this function)
build/temp.linux-x86_64-2.6/check_libyaml.c:12: warning: implicit declaration of function ‘yaml_emitter_delete’
libyaml is not found or a compiler error: forcing --without-libyaml
(if libyaml is installed correctly, you may need to
specify the option --include-dirs or uncomment and
modify the parameter include_dirs in setup.cfg)
Running setup.py install for Jinja2
Running setup.py install for Flask
Successfully installed Flask-0.10.1 Jinja2-2.7.3 PyYAML-3.10 Pygments-1.1.1 Werkzeug-0.9.6 amqp-1.4.6 anyjson-0.3.3 billiard-3.3.0.19 bson-0.3.3 celery-3.1.17 gunicorn-19.2.1 importlib-1.0.3 itsdangerous-0.24 kombu-3.0.24 linode-0.4 markupsafe-0.23 netaddr-0.7.13 ordereddict-1.1 psutil-2.2.1 pymongo-2.7.2 python-crontab-1.9.2 python-dateutil-2.4.1 python-digitalocean-1.4.1 pytz-2014.10 requests-2.6.0 six-1.9.0 urllib3-1.5
Just wanted to bring this error to your attention: