MAINT: Numpy deprecated boolean unary '-' operator #6958

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jseabold wants to merge 1 commit into pandas-dev:master from jseabold:numpy-depr

pandas/core/common.py

-Original file line number
+Diff line change
@@ Expand Up / @@ -280,7 +280,7 @@ def notnull(obj): @@
         res = isnull(obj)
         if np.isscalar(res):
             return not res
-        return -res
+        return ~res
     def _is_null_datelike_scalar(other):
         """ test whether the object is a null datelike, e.g. Nat
@@ Expand Down @@