Currently awscli does not pull in runtime dependency of pyyaml, which result with a crash on for example yaml cloudformation templates due to missing 'yaml' module. Reproducible: Always
Confirming. Here's an example: $> aws ecr get-login Traceback (most recent call last): File "/usr/lib/python-exec/python3.5/aws", line 27, in <module> sys.exit(main()) File "/usr/lib/python-exec/python3.5/aws", line 23, in main return awscli.clidriver.main() File "/usr/lib64/python3.5/site-packages/awscli/clidriver.py", line 55, in main driver = create_clidriver() File "/usr/lib64/python3.5/site-packages/awscli/clidriver.py", line 64, in create_clidriver event_hooks=emitter) File "/usr/lib64/python3.5/site-packages/awscli/plugin.py", line 44, in load_plugins modules = _import_plugins(plugin_mapping) File "/usr/lib64/python3.5/site-packages/awscli/plugin.py", line 61, in _import_plugins module = __import__(path, fromlist=[module]) File "/usr/lib64/python3.5/site-packages/awscli/handlers.py", line 27, in <module> from awscli.customizations.cloudformation import initialize as cloudformation_init File "/usr/lib64/python3.5/site-packages/awscli/customizations/cloudformation/__init__.py", line 13, in <module> from awscli.customizations.cloudformation.package import PackageCommand File "/usr/lib64/python3.5/site-packages/awscli/customizations/cloudformation/package.py", line 21, in <module> from awscli.customizations.cloudformation.artifact_exporter import Template File "/usr/lib64/python3.5/site-packages/awscli/customizations/cloudformation/artifact_exporter.py", line 25, in <module> from awscli.customizations.cloudformation.yamlhelper import yaml_dump, \ File "/usr/lib64/python3.5/site-packages/awscli/customizations/cloudformation/yamlhelper.py", line 14, in <module> import yaml ImportError: No module named 'yaml'
