Scanning posts....Traceback (most recent call last):
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/utils.py", line 850, in to_datetime
    value = dateutil.parser.parse(value)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/dateutil/parser.py", line 1164, in parse
    return DEFAULTPARSER.parse(timestr, **kwargs)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/dateutil/parser.py", line 558, in parse
    raise ValueError("String does not contain a date.")
ValueError: String does not contain a date.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/doit/doit_cmd.py", line 168, in run
    return command.parse_execute(args)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/doit/cmd_base.py", line 122, in parse_execute
    return self.execute(params, args)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/doit/cmd_base.py", line 380, in execute
    self, params, args)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/__main__.py", line 279, in load_tasks
    self.nikola.gen_tasks('render_site', "Task", 'Group of tasks to render the site.'))
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/doit/loader.py", line 314, in generate_tasks
    for task_dict, x_doc in flat_generator(gen_result, gen_doc):
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/doit/loader.py", line 28, in flat_generator
    for item in gen:
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/nikola.py", line 1638, in gen_tasks
    for task in flatten(pluginInfo.plugin_object.gen_tasks()):
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/nikola.py", line 1632, in flatten
    for t in task:
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/plugins/task/tags.py", line 93, in gen_tasks
    self.site.scan_posts()
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/nikola.py", line 1736, in scan_posts
    timeline = p.plugin_object.scan()
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/plugins/misc/scan_posts.py", line 97, in scan
    self.site.get_compiler(base_path)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/post.py", line 171, in __init__
    self.date = to_datetime(self.meta[self.default_lang]['date'], tzinfo)
  File "/home/therms/miniconda3/envs/blog.blah.nikola/lib/python3.5/site-packages/nikola/utils.py", line 855, in to_datetime
    raise ValueError('Unrecognized date/time: {0!r}'.format(value))
ValueError: Unrecognized date/time: ''