Corrections

app/models/attachment.py

@@ -2,8 +2,8 @@ from app import db
 from hashlib import sha256
 import os
 
-class Attachement(db.Model):
-    __tablename__ = 'attachement'
+class Attachment(db.Model):
+    __tablename__ = 'attachment'
     id = db.Column(db.Integer, primary_key=True)
 
     # Original name of the file
@@ -22,7 +22,7 @@ class Attachement(db.Model):
     def __init__(self, file, comment):
         self.name = file.filename
         self.size = os.stat(file).st_size
-        self.hashed = hash_file(file)
+        self.hashed = self.hash_file(file)
         self.comment = comment
 
     def hash_file(file):