chg: [qrcode] various fixes to make it PEP compliant

misp_modules/modules/expansion/qrcode.py

@@ -20,6 +20,7 @@ cryptocurrencies = {'bitcoin'}
 schemas = {'http://', 'https://', 'ftp://'}
 moduleconfig = []
 
+
 def handler(q=False):
     if q is False:
         return False
@@ -27,7 +28,7 @@ def handler(q=False):
     filename = q['attachment']
     try:
         img_array = np.fromstring(binascii.a2b_base64(q['data']), np.uint8)
-    except:
+    except Exception as e:
         err = "Couldn't fetch attachment (JSON 'data' is empty). Are you using the 'Query enrichment' action?"
         misperrors['error'] = err
         print(err)
@@ -77,6 +78,7 @@ def handler(q=False):
     misperrors['error'] = "Couldn't decode QR code in attachment."
     return misperrors
 
+
 def introspection():
     return mispattributes