Update network.py

server/frontend/app/classes/network.py

@@ -344,14 +344,17 @@ class Network(object):
             Deduce the channel to have for the AP in order to prevent
             kind of jamming between the two wifi interfaces.
         """
-        if self.iface_out[0] == "w":
+        try:
-            # Get the channel of the connected interface
+            if self.iface_out[0] == "w":
-            sh = sp.Popen(["iw", self.iface_out, "info"],
+                # Get the channel of the connected interface
-                          stdout=sp.PIPE, stderr=sp.PIPE).communicate()
+                sh = sp.Popen(["iw", self.iface_out, "info"],
-            res = re.search("channel ([0-9]{1,2})", sh[0].decode('utf8'))
+                              stdout=sp.PIPE, stderr=sp.PIPE).communicate()
-            chn = res.group(1)
+                res = re.search("channel ([0-9]{1,2})", sh[0].decode('utf8'))
+                chn = res.group(1)
 
-            # Return a good candidate.
+                # Return a good candidate.
-            return "11" if int(chn) < 7 else "1"
+                return "11" if int(chn) < 7 else "1"
-        else:
+            else:
+                return "1"
+        except:
             return "1"