Merge pull request #43 from philipturner/patch-3

Revert add support for non-returning functions

Author: pvieito

PythonKit/Python.swift

@@ -1550,27 +1550,13 @@ public struct PythonFunction {
             return try fn(argumentsAsTuple[0])
         }
     }
-    
-    public init(_ fn: @escaping (PythonObject) throws -> Void) {
-        function = PyFunction { argumentsAsTuple in
-            try fn(argumentsAsTuple[0])
-            return Python.None
-        }
-    }
 
     /// For cases where the Swift function should accept more (or less) than one parameter, accept an ordered array of all arguments instead
     public init(_ fn: @escaping ([PythonObject]) throws -> PythonConvertible) {
         function = PyFunction { argumentsAsTuple in
             return try fn(argumentsAsTuple.map { $0 })
         }
     }
-    
-    public init(_ fn: @escaping ([PythonObject]) throws -> Void) {
-        function = PyFunction { argumentsAsTuple in
-            try fn(argumentsAsTuple.map { $0 })
-            return Python.None
-        }
-    }
 }
 
 extension PythonFunction : PythonConvertible {