Fixed circular dependency

src/resources.py

@@ -3,13 +3,12 @@ import logging
 import json
 from xeger import Xeger
 from flask_restful import Resource
-from flask import request
+from flask import request, current_app
 import requests
 from db import db
 from models import SampleMetadata
 from schemas import SampleSchema, SampleMetadataSchema
 from config import *
-from app import app
 from fpika import fpika
 
 """
@@ -47,14 +46,14 @@ class SampleResource(Resource):
             description = request.form.get("description")
 
         if soundfile.content_type != 'audio/wave':
-            app.logger.info(
+            current_app.logger.info(
                 f"Input file was not WAV.")
             return {'err_msg': 'Input file not a wave file.'}, 415
 
         try:
             desc = self.sampleschema.loads(description)
         except Exception as e:
-            app.logger.exception(e)
+            current_app.logger.exception(e)
             return {'err_msg': 'Input JSON schema invalid'}, 417
 
         xeger = Xeger(limit=30)
@@ -83,7 +82,7 @@ class SampleResource(Resource):
                              body=json.dumps({'tag': generated_tag}).encode('UTF-8'))
             fpika.return_channel(ch)
         except Exception as e:
-            app.logger.exception(e)
+            current_app.logger.exception(e)
             db.session.rollback()
             return {"err_msg": str(
                 e), "hint": "DB or downstream service error"}, 569