diff --git a/.gitignore b/.gitignore
index c9b568f..9bb379e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 *.pyc
 *.swp
+
+.idea/
diff --git a/sgp30/sgp30.py b/sgp30/sgp30.py
index 601763a..e5b9092 100644
--- a/sgp30/sgp30.py
+++ b/sgp30/sgp30.py
@@ -1,5 +1,5 @@
 import smbus2
-from smbus2 import SMBusWrapper, SMBus, i2c_msg
+from smbus2 import SMBus, i2c_msg
 from collections import namedtuple 
 from functools import partial
 from time import sleep, asctime,time
@@ -116,7 +116,7 @@ def i2c_geral_call(self):
 
 
 def main():
-    with SMBusWrapper(1) as bus:
+    with SMBus(1) as bus:
         sgp=Sgp30(bus,baseline_filename=BASELINE_FILENAME+".TESTING")
         print("resetting all i2c devices")
         sgp.i2c_geral_call()