Fix macos memory leaks

owocr/ocr.py

@@ -344,6 +344,7 @@ class AppleLiveText:
         else:
             raise ValueError(f'img_or_path must be a path or PIL.Image, instead got: {img_or_path}')
 
+        with objc.autorelease_pool():
             req = VKCImageAnalyzerRequest.alloc().initWithImage_requestType_(self._preprocess(img), 1) #VKAnalysisTypeText
             req.setLocales_(['ja','en'])
             self.result = None

owocr/run.py

@@ -36,6 +36,7 @@ except ImportError:
     pass
 
 try:
+    import objc
     from AppKit import NSData, NSImage, NSBitmapImageRep, NSDeviceRGBColorSpace, NSGraphicsContext, NSZeroPoint, NSZeroRect, NSCompositingOperationCopy
 except ImportError:
     pass
@@ -682,6 +683,7 @@ def run(read_from=None,
                     win32clipboard.CloseClipboard()
             elif mac_clipboard_polling:
                 if not paused:
+                    with objc.autorelease_pool():
                         old_count = count
                         count = pasteboard.changeCount()
                         if not just_unpaused and count != old_count and NSPasteboardTypeTIFF in pasteboard.types():