old_contents: from __future__ import absolute_import
  from __future__ import print_function
  import os
  import sqlite3
  
  
  if os.environ.get('ANNOTATOR_DB_PATH'):
      ANNOTATOR_DB_PATH = os.environ.get('ANNOTATOR_DB_PATH')
  else:
      ANNOTATOR_DB_PATH = os.path.expanduser("~") + '/.epitator.sqlitedb'
  
  def get_database_connection(create_database=False):
      databse_exists = os.path.exists(ANNOTATOR_DB_PATH)
      if databse_exists or create_database:
          if not databse_exists:
              print("Creating database at:", ANNOTATOR_DB_PATH)
          connection = sqlite3.connect(ANNOTATOR_DB_PATH)
          cur = connection.cursor()
          cur.execute("PRAGMA foreign_keys = ON")
          cur.execute("""
          CREATE TABLE IF NOT EXISTS metadata (
              property TEXT PRIMARY KEY ASC, value TEXT
          )""")
          if not databse_exists:
              # Initialize the database
              cur.execute("""
              CREATE TABLE entities (
                  id TEXT PRIMARY KEY, label TEXT, type TEXT, source TEXT
              )""")
              cur.execute("""
              CREATE TABLE synonyms (
                  synonym TEXT,
                  entity_id TEXT REFERENCES entities(id),
                  weight INTEGER
              )""")
              cur.execute('''
              CREATE INDEX synonym_index ON synonyms (synonym);
              ''')
              cur.execute("INSERT INTO metadata VALUES ('dbversion', '0.0.0')")
              connection.commit()
          db_version = next(cur.execute("""
          SELECT value AS version FROM metadata WHERE property = 'dbversion'
          """), None)
          if not db_version or db_version[0] != "0.0.0":
              raise Exception("The database at " + ANNOTATOR_DB_PATH +
                              " has a version that is not compatible by this version of EpiTator.\n"
                              "You will need to rerun the data import scripts.")
          return connection
      else:
          raise Exception("There is no EpiTator database at: " + ANNOTATOR_DB_PATH +
                          "\nRun `python -m epitator.sqlite_import_all` to create a new database"
                          "\nor set ANNOTATOR_DB_PATH to use a database at a different location.")
  
new_contents: from __future__ import absolute_import
  from __future__ import print_function
  import os
  import sqlite3
  
  
  if os.environ.get('ANNOTATOR_DB_PATH'):
      ANNOTATOR_DB_PATH = os.environ.get('ANNOTATOR_DB_PATH')
  else:
      ANNOTATOR_DB_PATH = os.path.expanduser("~") + '/.epitator.sqlitedb'
  
  def get_database_connection(create_database=False):
      databse_exists = os.path.exists(ANNOTATOR_DB_PATH)
      if databse_exists or create_database:
          if not databse_exists:
              print("Creating database at:", ANNOTATOR_DB_PATH)
          connection = sqlite3.connect(ANNOTATOR_DB_PATH)
          cur = connection.cursor()
          cur.execute("PRAGMA foreign_keys = ON")
          cur.execute("""
          CREATE TABLE IF NOT EXISTS metadata (
              property TEXT PRIMARY KEY ASC, value TEXT
          )""")
          if not databse_exists:
              # Initialize the database
              cur.execute("""
              CREATE TABLE entities (
                  id TEXT PRIMARY KEY, label TEXT, type TEXT, source TEXT
              )""")
              cur.execute("""
              CREATE TABLE synonyms (
                  synonym TEXT,
                  entity_id TEXT REFERENCES entities(id),
                  weight INTEGER
              )""")
              cur.execute('''
              CREATE INDEX synonym_index ON synonyms (synonym);
              ''')
              cur.execute("INSERT INTO metadata VALUES ('dbversion', '0.0.0')")
              connection.commit()
          db_version = next(cur.execute("""
          SELECT value AS version FROM metadata WHERE property = 'dbversion'
          """), None)
          if not db_version or db_version[0] != "0.0.0":
              raise Exception("The database at " + ANNOTATOR_DB_PATH +
                              " has a version that is not compatible by this version of EpiTator.\n"
                              "You will need to rerun the data import scripts.")
          return connection
      else:
          raise Exception("There is no EpiTator database at: " + ANNOTATOR_DB_PATH +
                          "\nRun `python -m epitator.importers.import_all` to create a new database"
                          "\nor set ANNOTATOR_DB_PATH to use a database at a different location.")
  
subject: update command in error message