fixed rotating vertical images

.gitignore

@@ -0,0 +1,2 @@
+**/__pycache__/**
+*.pyc

app/watermark.py

@@ -1,6 +1,7 @@
 from PIL import Image
 from PIL import ImageDraw
 from PIL import ImageFont
+from PIL import ImageOps
 
 
 def watermark_text(input_image_path: str,
@@ -20,6 +21,7 @@ def watermark_text(input_image_path: str,
     yellow = (237,255,33)
     font = ImageFont.truetype(font_path, size, encoding='unic')
     drawing.text(pos, text=text, fill=yellow, font=font, anchor="la")
+    photo = ImageOps.exif_transpose(photo)
     if show:
         photo.show()
     photo.save(output_image_path)