Blacked and isorted the python files

Prettied and eslinted the typescript/html files

bookie/src/app/sales/quantity/quantity.component.html

@@ -1,11 +1,24 @@
 <mat-dialog-content>
   <form [formGroup]="form">
-    <div fxLayout="row" fxLayoutAlign="space-around start" fxLayout.lt-md="column" fxLayoutGap="20px"
-         fxLayoutGap.lt-md="0px">
+    <div
+      fxLayout="row"
+      fxLayoutAlign="space-around start"
+      fxLayout.lt-md="column"
+      fxLayoutGap="20px"
+      fxLayoutGap.lt-md="0px"
+    >
       <mat-form-field fxFlex>
         <mat-label>Quantity</mat-label>
-        <input type="text" matInput #quantity placeholder="Quantity" formControlName="quantity" autocomplete="off"
-               (focus)="quantity.select()" cdkFocusInitial>
+        <input
+          type="text"
+          matInput
+          #quantity
+          placeholder="Quantity"
+          formControlName="quantity"
+          autocomplete="off"
+          (focus)="quantity.select()"
+          cdkFocusInitial
+        />
       </mat-form-field>
     </div>
   </form>