title: ModuleNotFoundError: No module named 'sqlalchemy'
body: <p>I am new to sqlalchemy and trying to create tables in mysql.Created a virtual environment and executed below commands.
  pip3 install sqlalchemy
  pip3 install sqlalchemy-migrate</p>
  
  <p>Python version- 3.6.4
  but when I try to execute the command "python models.py" on terminal it pops an error</p>
  
  <pre><code>File "models.py", line 1, in &lt;module&gt;
      from sqlalchemy import Table, Column, Integer, MetaData, ForeignKey, DateTime, Float, BigInteger, String, func
  ModuleNotFoundError: No module named 'sqlalchemy'
  </code></pre>
  
  <pre><code>from sqlalchemy import Table, Column, Integer, MetaData, ForeignKey, DateTime, Float, BigInteger, String, func
  
  import helper.connection_util as connection_util
  
  metadata = MetaData()
  
  # employee TABLE
  employee = Table('employee', metadata,
                      Column('employee_id', Integer, primary_key=True),
                      Column('employee_name', String(100)),
                      Column('employee_designation', String(100)),
  
  metadata.create_all(connection_util.get_connection())
  </code></pre>