From 862c0773e253aec6cf3b16aa3257870b77869fd4 Mon Sep 17 00:00:00 2001
From: leufen1 <l.leufen@fz-juelich.de>
Date: Tue, 1 Dec 2020 14:44:53 +0100
Subject: [PATCH] changed check_for_negative_concentrations because it raised
 index errors e.g. for target data

---
 mlair/data_handler/data_handler_single_station.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mlair/data_handler/data_handler_single_station.py b/mlair/data_handler/data_handler_single_station.py
index e554a3b3..8131566a 100644
--- a/mlair/data_handler/data_handler_single_station.py
+++ b/mlair/data_handler/data_handler_single_station.py
@@ -271,7 +271,7 @@ class DataHandlerSingleStation(AbstractDataHandler):
         chem_vars = ["benzene", "ch4", "co", "ethane", "no", "no2", "nox", "o3", "ox", "pm1", "pm10", "pm2p5",
                      "propane", "so2", "toluene"]
         # used_chem_vars = list(set(chem_vars) & set(self.statistics_per_var.keys()))
-        used_chem_vars = list(set(chem_vars) & set(self.variables))
+        used_chem_vars = list(set(chem_vars) & set(data.variables.values))
         data.loc[..., used_chem_vars] = data.loc[..., used_chem_vars].clip(min=minimum)
         return data
 
-- 
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