Explicitly mark some CharField as non blank

InvenTree/InvenTree/models.py

@@ -23,9 +23,16 @@ class InvenTreeTree(models.Model):
         abstract = True
         unique_together = ('name', 'parent')
 
-    name = models.CharField(max_length=100, unique=True)
+    name = models.CharField(
+        blank=False,
+        max_length=100,
+        unique=True
+    )
 
-    description = models.CharField(max_length=250)
+    description = models.CharField(
+        blank=False,
+        max_length=250
+    )
 
     # When a category is deleted, graft the children onto its parent
     parent = models.ForeignKey('self',

InvenTree/build/models.py

@@ -87,7 +87,10 @@ class Build(models.Model):
                              limit_choices_to={'buildable': True},
                              )
     
-    title = models.CharField(max_length=100, help_text='Brief description of the build')
+    title = models.CharField(
+        blank=False,
+        max_length=100,
+        help_text='Brief description of the build')
     
     quantity = models.PositiveIntegerField(
         default=1,

InvenTree/company/models.py

@@ -42,7 +42,7 @@ class Company(models.Model):
     It may be a supplier or a customer (or both).
     """
 
-    name = models.CharField(max_length=100, unique=True,
+    name = models.CharField(max_length=100, blank=False, unique=True,
                             help_text='Company name')
 
     description = models.CharField(max_length=500)

InvenTree/stock/models.py

@@ -390,7 +390,7 @@ class StockItemTracking(models.Model):
     date = models.DateTimeField(auto_now_add=True, editable=False)
 
     # Short-form title for this tracking entry
-    title = models.CharField(max_length=250)
+    title = models.CharField(blank=False, max_length=250)
 
     # Optional longer description
     notes = models.TextField(blank=True)