@mytec: refactor to ray ready for testing

backend/app/services/coverage_service.py

@@ -54,7 +54,7 @@ from app.services.weather_service import weather_service
 from app.services.indoor_service import indoor_service
 from app.services.atmospheric_service import atmospheric_service
 from app.services.parallel_coverage_service import (
-    calculate_coverage_parallel, get_cpu_count
+    calculate_coverage_parallel, get_cpu_count, get_parallel_backend,
 )
 
 
@@ -360,8 +360,9 @@ class CoverageService:
         num_workers = get_cpu_count()
 
         if use_parallel:
+            backend = get_parallel_backend()
             _clog(f"━━━ PHASE 3: Calculating {len(grid)} points "
-                  f"(PARALLEL, {num_workers} workers) ━━━")
+                  f"(PARALLEL/{backend}, {num_workers} workers) ━━━")
 
             try:
                 loop = asyncio.get_event_loop()