Fix qr code save error

Author: adityacp

online_test/__init__.py

@@ -4,4 +4,4 @@
 
 __all__ = ('celery_app',)
 
-__version__ = '0.30.0'
+__version__ = '0.31.1'

yaksh/models.py

@@ -3368,8 +3368,10 @@ def generate_image(self, content):
             os.makedirs(qr_dir)
         path = os.path.join(qr_dir, f'{self.short_key}.png')
         img.save(path)
-        self.image = os.path.join('qrcode', '{0}.png'.format(self.short_key))
-        self.activate()
+        with open(path, "rb") as qr_file:
+            django_file = File(qr_file)
+            self.activate()
+            self.image.save(os.path.basename(path), django_file, save=True)
 
 
 class QRcodeHandler(models.Model):

yaksh/templates/yaksh/question.html

@@ -284,16 +284,10 @@ <h4><u> Solution by teacher</u></h4>
             <br />
             <div class="row">
                 <div class="col-md-8">
-                    <p>Upload assignment file for the said question.
-                    <br>
-                    <span class="badge badge-primary">
-                    </u> <strong>You can upload using the file browser below or via the QR code.</strong></u>
-                    </span>
-                    </p>
                     <div class="dropzone needsclick dz-clickable" id="dropzone_file">
                       <div class="dz-message needsclick">
                         <button type="button" class="dz-button">
-                          Drop files here or click to upload.
+                          You can upload using the file browser here or via the QR code.
                         </button>
                       </div>
                     </div>

yaksh/views.py

@@ -4163,7 +4163,6 @@ def generate_qrcode(request, answerpaper_id, question_id, module_id):
             reverse("yaksh:upload_file", args=[qrcode.short_key])
         )
         qrcode.generate_image(content)
-        qrcode.save()
     return redirect(
         reverse(
             'yaksh:skip_question',