diff --git a/.gitignore b/.gitignore
index 9d88ee1..3d50865 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 # Temporary Items
 *.tmp
 *.tmp.*
+temp
 
 # Virtual Environments
 /venv*/
diff --git a/PythonKit/NumpyConversion.swift b/PythonKit/NumpyConversion.swift
index c802694..e0c81a2 100644
--- a/PythonKit/NumpyConversion.swift
+++ b/PythonKit/NumpyConversion.swift
@@ -137,7 +137,7 @@ where Element : NumpyScalarCompatible {
         self.init(repeating: dummyPointer.move(), count: scalarCount)
         dummyPointer.deallocate()
         withUnsafeMutableBufferPointer { buffPtr in
-            buffPtr.baseAddress!.assign(from: ptr, count: scalarCount)
+            buffPtr.baseAddress!.update(from: ptr, count: scalarCount)
         }
     }
 }
diff --git a/Tests/PythonKitTests/PythonFunctionTests.swift b/Tests/PythonKitTests/PythonFunctionTests.swift
index db39d06..f11ad57 100644
--- a/Tests/PythonKitTests/PythonFunctionTests.swift
+++ b/Tests/PythonKitTests/PythonFunctionTests.swift
@@ -204,7 +204,7 @@ class PythonFunctionTests: XCTestCase {
 
         // Example of function with no named parameters, which can be stated
         // ergonomically using an underscore. The ignored input is a [PythonObject].
-        let testFunction = PythonFunction { _ in
+        let _ = PythonFunction { _ in
             throw HelloWorldException("EXAMPLE ERROR MESSAGE", 2)
         }.pythonObject