_is_float should return false rather than an error when the object being tested is not a valid param for float() (#475)

BenHewins · aviau · commit 758663a9107e · 2017-08-15T01:29:08.000-04:00
diff --git a/influxdb/line_protocol.py b/influxdb/line_protocol.py
@@ -75,7 +75,7 @@ def quote_literal(value):
 def _is_float(value):
     try:
         float(value)
-    except ValueError:
+    except (TypeError, ValueError):
         return False
 
     return True
