Migration fails to upgrade when database is already up to date

[mrf345]

Pulling this one out of #125

INFO  [alembic.runtime.migration] Context impl SQLiteImpl.
INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
INFO  [alembic.runtime.migration] Running upgrade  -> f4efa0d99d19, Adding `strict_pulling` flag setting.
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1283, in _execute_context
    self.dialect.do_execute(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 590, in do_execute
    cursor.execute(statement, parameters)
sqlite3.OperationalError: no such column: printers.name

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "run.py", line 8, in <module>
    run_app()
  File "/Users/Ernesto/FQM/app/__init__.py", line 60, in run_app
    interface()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/click/core.py", line 700, in __call__
    return self.main(*args, **kwargs)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/click/core.py", line 680, in main
    rv = self.invoke(ctx)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/click/core.py", line 873, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/click/core.py", line 508, in invoke
    return callback(*args, **kwargs)
  File "/Users/Ernesto/FQM/app/__init__.py", line 28, in interface
    app = bundle_app()
  File "/Users/Ernesto/FQM/app/main.py", line 111, in bundle_app
    create_db(app, testing=app.config.get('TESTING', False))
  File "/Users/Ernesto/FQM/app/main.py", line 102, in create_db
    create_default_records()
  File "/Users/Ernesto/FQM/app/utils.py", line 329, in create_default_records
    if not table.query.first():
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/orm/query.py", line 3375, in first
    ret = list(self[0:1])
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/orm/query.py", line 3149, in __getitem__
    return list(res)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/orm/query.py", line 3481, in __iter__
    return self._execute_and_instances(context)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/orm/query.py", line 3506, in _execute_and_instances
    result = conn.execute(querycontext.statement, self._params)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1020, in execute
    return meth(self, multiparams, params)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/sql/elements.py", line 298, in _execute_on_connection
    return connection._execute_clauseelement(self, multiparams, params)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1133, in _execute_clauseelement
    ret = self._execute_context(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1323, in _execute_context
    self._handle_dbapi_exception(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1517, in _handle_dbapi_exception
    util.raise_(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/util/compat.py", line 178, in raise_
    raise exception
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/base.py", line 1283, in _execute_context
    self.dialect.do_execute(
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/sqlalchemy/engine/default.py", line 590, in do_execute
    cursor.execute(statement, parameters)
sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) no such column: printers.name
[SQL: SELECT printers.id AS printers_id, printers.vendor AS printers_vendor, printers.product AS printers_product, printers.in_ep AS printers_in_ep, printers.out_ep AS printers_out_ep, printers.active AS printers_active, printers.langu AS printers_langu, printers.value AS printers_value, printers.scale AS printers_scale, printers.name AS printers_name
FROM printers
 LIMIT ? OFFSET ?]
[parameters: (1, 0)]