fix flake8 W291 (trailing whitespace)

lnbits/extensions/lnurldevice/migrations.py

@@ -29,7 +29,7 @@ async def m001_initial(db):
             payhash TEXT,
             payload TEXT NOT NULL,
             pin INT,
-            sats {db.big_int}, 
+            sats {db.big_int},
             timestamp TIMESTAMP NOT NULL DEFAULT {db.timestamp_now}
         );
     """

lnbits/extensions/market/migrations.py

@@ -139,7 +139,7 @@ async def m001_initial(db):
             id_conversation TEXT NOT NULL,
             timestamp TIMESTAMP NOT NULL DEFAULT """
         + db.timestamp_now
-        + """            
+        + """
         );
     """
     )

lnbits/extensions/satspay/migrations.py

@@ -33,7 +33,7 @@ async def m002_add_charge_extra_data(db):
     Add 'extra' column for storing various config about the charge (JSON format)
     """
     await db.execute(
-        """ALTER TABLE satspay.charges 
+        """ALTER TABLE satspay.charges
             ADD COLUMN extra TEXT DEFAULT '{"mempool_endpoint": "https://mempool.space", "network": "Mainnet"}';
         """
     )

lnbits/extensions/watchonly/migrations.py

@@ -30,7 +30,7 @@ async def m001_initial(db):
         """
         CREATE TABLE watchonly.mempool (
             "user" TEXT NOT NULL,
-            endpoint TEXT NOT NULL 
+            endpoint TEXT NOT NULL
         );
     """
     )