Update templates/upload.html

templates/upload.html

@@ -117,11 +117,16 @@
       <h1>UoB BERT-Based Sentiment Analyzer 1.0</h1>
   
       <h2>-Upload File-</h2>
-      <form name="fileUploadForm" action="/uploader" method="post" enctype="multipart/form-data" onsubmit="return validateFileInput()">
+      <form action="/uploader" method="POST" enctype="multipart/form-data">
+         <input type="file" name="file" accept=".csv" required>
+         <button type="submit">Upload & Analyze</button>
+      </form>
+
+      <!-- <form name="fileUploadForm" action="/uploader" method="post" enctype="multipart/form-data" onsubmit="return validateFileInput()">
           <input type="file" name="file">
           <input type="submit" value="Upload and Analyze">
           <div id="fileError" class="error-message"></div>
-      </form>
+      </form> -->
   
       <h2>Or Enter Text for Sentiment Analysis</h2>
       <form name="textInputForm" action="/analyze_text" method="post" onsubmit="return validateTextInput()">