diff --git a/da/preprocessing/era5.py b/da/preprocessing/era5.py
index f71418ba9fc477106bd38896a16dad7062daa88e..fb1a802aa44fcde00083a3b83974056efd759834 100644
--- a/da/preprocessing/era5.py
+++ b/da/preprocessing/era5.py
@@ -5,9 +5,8 @@ import datetime as dtm
 from dateutil import rrule, parser
 from calendar import monthrange
 from da.preprocessing.gpcp import *
-from da.tools.post_slack import print_decorator, slack_decorator
+#from da.tools.post_slack import print_decorator, slack_decorator
 from da.tools.tempworkingdir import TempWorkingDirectory
-from da.tools.post_slack import print_decorator, slack_decorator
 from da.tools.temploglevel import TempLogLevel
 from cdo import Cdo
 
@@ -61,8 +60,7 @@ async def get_download_range(loop, starttime, endtime, outdir):
             p.communicate()
     return
 
-@asyncio.coroutine
-def download_era5(date, outputdir):
+async def download_era5(date, outputdir):
     """Function that downloads ERA5 data, if not yet present.
     Downloading is done via CDS API
     Input:
diff --git a/da/preprocessing/fire.py b/da/preprocessing/fire.py
index 99a943b0a5f08be68f346dfc86fb448a791fab01..43a4f793ac4d716ea58343ba2a0b9a6629370663 100644
--- a/da/preprocessing/fire.py
+++ b/da/preprocessing/fire.py
@@ -7,7 +7,7 @@ import netCDF4 as nc
 import da.tools.io4 as io
 from dateutil import rrule
 from da.preprocessing.classes import Regional, Global
-from da.tools.post_slack import print_decorator, slack_decorator
+#from da.tools.post_slack import print_decorator, slack_decorator
 from ecmwfapi import ECMWFDataServer
 
 class Fire(Regional):
diff --git a/da/preprocessing/gpcp.py b/da/preprocessing/gpcp.py
index 9215e79820885db518d3b75e6f0ce291cb618597..2ad8779b72da82ab65225ebdf446e1be06d6acc7 100644
--- a/da/preprocessing/gpcp.py
+++ b/da/preprocessing/gpcp.py
@@ -5,7 +5,7 @@ import numpy as np
 import netCDF4 as nc
 import da.tools.io4 as io
 from dateutil import rrule, parser
-from da.tools.post_slack import print_decorator, slack_decorator
+#from da.tools.post_slack import print_decorator, slack_decorator
 from cdo import Cdo
 
 def check_gpcp_present(dacycle, time):
diff --git a/da/preprocessing/ocean.py b/da/preprocessing/ocean.py
index 7c9c303387b890973481aa28e14d4c6d2a550b56..1a55c5370be40e181b2652e68d35c81a4bb3638b 100644
--- a/da/preprocessing/ocean.py
+++ b/da/preprocessing/ocean.py
@@ -4,7 +4,7 @@ import numpy as np
 import netCDF4 as nc
 import da.tools.io4 as io
 from da.preprocessing.classes import Regional, Global
-from da.tools.post_slack import print_decorator, slack_decorator
+#from da.tools.post_slack import print_decorator, slack_decorator
 import os, sys, glob, subprocess, logging, asyncio, threading
 from dateutil import rrule, parser
 import datetime as dtm
diff --git a/da/preprocessing/sib.py b/da/preprocessing/sib.py
index a06045df71274525aa274e3b410b163252a00d96..09b835a415df0859863d46c4e173b8841b6a6bd7 100644
--- a/da/preprocessing/sib.py
+++ b/da/preprocessing/sib.py
@@ -7,7 +7,7 @@ import da.tools.io4 as io
 from dateutil import rrule, parser
 from shutil import copyfile
 from da.preprocessing.gpcp import *
-from da.tools.post_slack import print_decorator, slack_decorator
+#from da.tools.post_slack import print_decorator, slack_decorator
 from da.tools.tempworkingdir import TempWorkingDirectory
 from cdo import Cdo
 #from da.preprocessing.merra import process_merra as process_meteo, RANAME