Pycharm Error: Could not find valid SPARK_HOME while searching

Question

First day with Spark. My environment is Oracle VM, Guest Ubuntu OS. I installed Python3, Spark etc and it's working on the terminal. The first code I tried on terminal is

and it's working. Now if I try to run the same code on pycharm, it throws an error

/home/daisy57/PycharmProjects/meteor/venv/bin/python /home/daisy57/PycharmProjects/meteor/main.py
Could not find valid SPARK_HOME while searching ['/home/daisy57/PycharmProjects', '/opt/spark/python/lib/pyspark.zip/pyspark/spark-distribution', '/opt/spark/python/lib/pyspark.zip/pyspark', '/opt/spark/python/lib/pyspark.zip/pyspark/spark-distribution', '/opt/spark/python/lib/pyspark.zip/pyspark', '/opt/spark/python/lib']

Process finished with exit code 255

My pycharm code:

I added the two path in the content root also:

but its still showing the error. Please help this noob out! Thank you