title: "errorMessage": "Unable to import module 'app': No module named 'app'", "errorType": "Runtime.ImportModuleError",
body: <p>I'm getting this error when trying to test my lambda-function</p>
  <pre><code>  &quot;errorMessage&quot;: &quot;Unable to import module 'app': No module named 'app'&quot;,
    &quot;errorType&quot;: &quot;Runtime.ImportModuleError&quot;,
    &quot;stackTrace&quot;: []
  }
  </code></pre>
  <p>Here's my python code since I'd imagine it's an issue with my code? I also have my lambda function handler on aws set to app.handler since this file's name is app.py. Really not sure if it's an issue with my lambda function handler or my code, or both</p>
  <pre><code>import requests
  import os
  import smtplib
  from datetime import datetime
  
  # https://openweathermap.org/api/one-call-api
  
  # empire state building
  lat = '40.75009231913161'
  lon = '-73.98638285425646'
  exclude = 'minutely,hourly,alerts'
  
  url = (
      'https://api.openweathermap.org/data/2.5/onecall?' +
      'lat={lat}&amp;lon={lon}&amp;exclude={exclude}&amp;appid={API_key}&amp;units=imperial'
  )
  
  
  if os.path.isfile('.env'):
      from dotenv import load_dotenv
      load_dotenv()
  
  
  def __send_email(msg: str) -&gt; None:
      gmail_user = os.getenv('EMAIL_USER')
      gmail_password = os.getenv('EMAIL_PASSWORD')
  
      # Create Email
      mail_from = gmail_user
      mail_to = gmail_user
      mail_subject = f'Weather Today {datetime.today().strftime(&quot;%m/%d/%Y&quot;)}'
      mail_message = f'Subject: {mail_subject}\n\n{msg}'
  
      # Send Email
      server = smtplib.SMTP('smtp.gmail.com', 587)
      server.starttls()
      server.login(gmail_user, gmail_password)
      server.sendmail(mail_from, mail_to, mail_message)
      server.close()
  
  
  def handler(event, context):
      response = requests.get(url.format(
          lat=lat,
          lon=lon,
          exclude=exclude,
          API_key=os.getenv('WEATHER_API_KEY')
      ))
  
      data = response.json()
  
      rain_conditions = ['rain', 'thunderstorm', 'drizzle']
      snow_conditions = ['snow']
  
      today_weather = data['daily'][0]['weather'][0]['main'].lower()
  
      if today_weather in rain_conditions:
          msg = 'Pack an umbrella!'
      elif today_weather in snow_conditions:
          msg = 'Pack your snow boots!'
      else:
          msg = 'Clear skies today!'
  
      __send_email(msg)
  
  handler(None, None)
  </code></pre>
  <p>My ZIP is located in an S3 bucket in python/project.zip and the structure of my zip folder is python/app.py + requirements.txt</p>