Index: grammalecte-server.py
==================================================================
--- grammalecte-server.py
+++ grammalecte-server.py
@@ -318,10 +318,14 @@
     print("Python: " + sys.version)
     # Grammalecte
     echo("Grammalecte v{}".format(oGCE.version))
     oGCE.displayOptions()
     # Process Pool Executor
+    if xProcessPoolExecutor:
+        # If the module is imported and main() launched, we must shutdown the ProcessPoolExecutor
+        # which has been launched previously
+        xProcessPoolExecutor.shutdown(wait=False)
     initExecutor(nMultiCPU)
     # Server (Bottle)
     run(app, host=sHost, port=nPort)
 
 
@@ -347,5 +351,9 @@
     main(xArgs.host or "localhost", \
          xArgs.port or 8080, \
          dOpt,
          xArgs.test_page,
          xArgs.multiprocessor)
+else:
+    # we do it for the server may be used with WSGI (which doesn’t call main())
+    # WSGI servers just import the given file as a module and use an object exported from it (<app> in this case) to run the server.
+    initExecutor()