python repository/migrate.py
INFO  [sqlalchemy.engine.base.Engine]   SHOW VARIABLES LIKE 'sql_mode'
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   SELECT DATABASE()
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   show collation where `Charset` = 'utf8' and `Collation` = 'utf8_bin'
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   SELECT CAST('test plain returns' AS CHAR(60)) AS anon_1
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   SELECT CAST('test unicode returns' AS CHAR(60)) AS anon_1
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   SELECT CAST('test collated returns' AS CHAR CHARACTER SET utf8) COLLATE utf8_bin AS anon_1
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [alembic.runtime.migration] Context impl MySQLImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
INFO  [sqlalchemy.engine.base.Engine]   DESCRIBE `alembic_version`
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   ROLLBACK
INFO  [sqlalchemy.engine.base.Engine]   DESCRIBE `alembic_version`
INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   ROLLBACK
INFO  [sqlalchemy.engine.base.Engine]
CREATE TABLE alembic_version (
	version_num VARCHAR(32) NOT NULL
)


INFO  [sqlalchemy.engine.base.Engine]   ()
INFO  [sqlalchemy.engine.base.Engine]   COMMIT
Traceback (most recent call last):
  File "repository/migrate.py", line 62, in <module>
    migrate(options.version, offline=options.offline)
  File "repository/migrate.py", line 46, in migrate
    alembic.command.upgrade(ALEMBIC_CONFIG, version, sql=offline)
  File "/usr/local/lib/python2.7/dist-packages/alembic/command.py", line 174, in upgrade
    script.run_env()
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/base.py", line 397, in run_env
    util.load_python_file(self.dir, 'env.py')
  File "/usr/local/lib/python2.7/dist-packages/alembic/util/pyfiles.py", line 93, in load_python_file
    module = load_module_py(module_id, path)
  File "/usr/local/lib/python2.7/dist-packages/alembic/util/compat.py", line 79, in load_module_py
    mod = imp.load_source(module_id, path, fp)
  File "/home/ubuntu/ryanversion/numenta-apps-predictionsInHtmEngineMetricData/selfnet/repository/migrations/env.py", line 100, in <module>
    runMigrationsOnline()
  File "/home/ubuntu/ryanversion/numenta-apps-predictionsInHtmEngineMetricData/selfnet/repository/migrations/env.py", line 91, in runMigrationsOnline
    context.run_migrations()
  File "<string>", line 8, in run_migrations
  File "/usr/local/lib/python2.7/dist-packages/alembic/runtime/environment.py", line 797, in run_migrations
    self.get_context().run_migrations(**kw)
  File "/usr/local/lib/python2.7/dist-packages/alembic/runtime/migration.py", line 303, in run_migrations
    for step in self._migrations_fn(heads, self):
  File "/usr/local/lib/python2.7/dist-packages/alembic/command.py", line 163, in upgrade
    return script._upgrade_revs(revision, rev)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/base.py", line 314, in _upgrade_revs
    for script in reversed(list(revs))
  File "/usr/lib/python2.7/contextlib.py", line 35, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/base.py", line 154, in _catch_revision_errors
    compat.raise_from_cause(util.CommandError(multiple_heads))
  File "/usr/local/lib/python2.7/dist-packages/alembic/util/compat.py", line 132, in raise_from_cause
    reraise(type(exception), exception, tb=exc_tb)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/base.py", line 129, in _catch_revision_errors
    yield
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/base.py", line 310, in _upgrade_revs
    revs = list(revs)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/revision.py", line 621, in _iterate_revisions
    uppers = util.dedupe_tuple(self.get_revisions(upper))
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/revision.py", line 301, in get_revisions
    resolved_id, branch_label = self._resolve_revision_number(id_)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/revision.py", line 431, in _resolve_revision_number
    current_head = self.get_current_head(branch_label)
  File "/usr/local/lib/python2.7/dist-packages/alembic/script/revision.py", line 271, in get_current_head
    "%s@head" % branch_label if branch_label else "head")
alembic.util.exc.CommandError: Multiple head revisions are present for given argument 'head'; please specify a specific target revision, '<branchname>@head' to narrow to a specific head, or 'heads' for all heads