diff --git a/lnbits/extensions/watchonly/crud.py b/lnbits/extensions/watchonly/crud.py
index 61e47cfe..1d9abcec 100644
--- a/lnbits/extensions/watchonly/crud.py
+++ b/lnbits/extensions/watchonly/crud.py
@@ -41,8 +41,9 @@ async def create_watch_wallet(user: str, w: WalletAccount) -> WalletAccount:
             w.meta,
         ),
     )
-
-    return await get_watch_wallet(wallet_id)
+    wallet = await get_watch_wallet(wallet_id)
+    assert wallet
+    return wallet
 
 
 async def get_watch_wallet(wallet_id: str) -> Optional[WalletAccount]:
@@ -121,11 +122,11 @@ async def create_fresh_addresses(
     change_address=False,
 ) -> List[Address]:
     if start_address_index > end_address_index:
-        return None
+        return []
 
     wallet = await get_watch_wallet(wallet_id)
     if not wallet:
-        return None
+        return []
 
     branch_index = 1 if change_address else 0
 
@@ -150,7 +151,7 @@ async def create_fresh_addresses(
     # return fresh addresses
     rows = await db.fetchall(
         """
-            SELECT * FROM watchonly.addresses 
+            SELECT * FROM watchonly.addresses
             WHERE wallet = ? AND branch_index = ? AND address_index >= ? AND address_index < ?
             ORDER BY branch_index, address_index
         """,
@@ -172,7 +173,7 @@ async def get_address_at_index(
 ) -> Optional[Address]:
     row = await db.fetchone(
         """
-            SELECT * FROM watchonly.addresses 
+            SELECT * FROM watchonly.addresses
             WHERE wallet = ? AND branch_index = ? AND address_index = ?
         """,
         (
diff --git a/lnbits/extensions/watchonly/models.py b/lnbits/extensions/watchonly/models.py
index c6265d6c..24d63bfd 100644
--- a/lnbits/extensions/watchonly/models.py
+++ b/lnbits/extensions/watchonly/models.py
@@ -1,7 +1,7 @@
 from sqlite3 import Row
 from typing import List, Optional
 
-from fastapi.param_functions import Query
+from fastapi import Query
 from pydantic import BaseModel
 
 
@@ -35,7 +35,7 @@ class Address(BaseModel):
     amount: int = 0
     branch_index: int = 0
     address_index: int
-    note: str = None
+    note: Optional[str] = None
     has_activity: bool = False
 
     @classmethod
@@ -57,9 +57,9 @@ class TransactionInput(BaseModel):
 class TransactionOutput(BaseModel):
     amount: int
     address: str
-    branch_index: int = None
-    address_index: int = None
-    wallet: str = None
+    branch_index: Optional[int] = None
+    address_index: Optional[int] = None
+    wallet: Optional[str] = None
 
 
 class MasterPublicKey(BaseModel):
diff --git a/lnbits/extensions/watchonly/views.py b/lnbits/extensions/watchonly/views.py
index 819d1248..8cebc6cc 100644
--- a/lnbits/extensions/watchonly/views.py
+++ b/lnbits/extensions/watchonly/views.py
@@ -1,6 +1,5 @@
-from fastapi.params import Depends
+from fastapi import Depends, Request
 from fastapi.templating import Jinja2Templates
-from starlette.requests import Request
 from starlette.responses import HTMLResponse
 
 from lnbits.core.models import User
diff --git a/lnbits/extensions/watchonly/views_api.py b/lnbits/extensions/watchonly/views_api.py
index c6e15ea6..5bb43661 100644
--- a/lnbits/extensions/watchonly/views_api.py
+++ b/lnbits/extensions/watchonly/views_api.py
@@ -1,5 +1,6 @@
 import json
 from http import HTTPStatus
+from typing import List
 
 import httpx
 from embit import finalizer, script
@@ -7,9 +8,7 @@ from embit.ec import PublicKey
 from embit.networks import NETWORKS
 from embit.psbt import PSBT, DerivationPath
 from embit.transaction import Transaction, TransactionInput, TransactionOutput
-from fastapi import Query, Request
-from fastapi.params import Depends
-from starlette.exceptions import HTTPException
+from fastapi import Depends, HTTPException, Query, Request
 
 from lnbits.decorators import WalletTypeInfo, get_key_type, require_admin_key
 from lnbits.extensions.watchonly import watchonly_ext
@@ -57,10 +56,8 @@ async def api_wallets_retrieve(
         return []
 
 
-@watchonly_ext.get("/api/v1/wallet/{wallet_id}")
-async def api_wallet_retrieve(
-    wallet_id, wallet: WalletTypeInfo = Depends(get_key_type)
-):
+@watchonly_ext.get("/api/v1/wallet/{wallet_id}", dependencies=[Depends(get_key_type)])
+async def api_wallet_retrieve(wallet_id: str):
     w_wallet = await get_watch_wallet(wallet_id)
 
     if not w_wallet:
@@ -76,7 +73,8 @@ async def api_wallet_create_or_update(
     data: CreateWallet, w: WalletTypeInfo = Depends(require_admin_key)
 ):
     try:
-        (descriptor, network) = parse_key(data.masterpub)
+        # TODO: talk to motorina about this
+        (descriptor, network) = parse_key(data.masterpub)  # type: ignore
         if data.network != network["name"]:
             raise ValueError(
                 "Account network error.  This account is for '{}'".format(
@@ -126,8 +124,10 @@ async def api_wallet_create_or_update(
     return wallet.dict()
 
 
-@watchonly_ext.delete("/api/v1/wallet/{wallet_id}")
-async def api_wallet_delete(wallet_id, w: WalletTypeInfo = Depends(require_admin_key)):
+@watchonly_ext.delete(
+    "/api/v1/wallet/{wallet_id}", dependencies=[Depends(require_admin_key)]
+)
+async def api_wallet_delete(wallet_id: str):
     wallet = await get_watch_wallet(wallet_id)
 
     if not wallet:
@@ -144,16 +144,15 @@ async def api_wallet_delete(wallet_id, w: WalletTypeInfo = Depends(require_admin
 #############################ADDRESSES##########################
 
 
-@watchonly_ext.get("/api/v1/address/{wallet_id}")
-async def api_fresh_address(wallet_id, w: WalletTypeInfo = Depends(get_key_type)):
+@watchonly_ext.get("/api/v1/address/{wallet_id}", dependencies=[Depends(get_key_type)])
+async def api_fresh_address(wallet_id: str):
     address = await get_fresh_address(wallet_id)
+    assert address
     return address.dict()
 
 
-@watchonly_ext.put("/api/v1/address/{id}")
-async def api_update_address(
-    id: str, req: Request, w: WalletTypeInfo = Depends(require_admin_key)
-):
+@watchonly_ext.put("/api/v1/address/{id}", dependencies=[Depends(require_admin_key)])
+async def api_update_address(id: str, req: Request):
     body = await req.json()
     params = {}
     # amout is only updated if the address has history
@@ -162,9 +161,10 @@ async def api_update_address(
         params["has_activity"] = True
 
     if "note" in body:
-        params["note"] = str(body["note"])
+        params["note"] = body["note"]
 
     address = await update_address(**params, id=id)
+    assert address
 
     wallet = (
         await get_watch_wallet(address.wallet)
@@ -189,6 +189,7 @@ async def api_get_addresses(wallet_id, w: WalletTypeInfo = Depends(get_key_type)
 
     addresses = await get_addresses(wallet_id)
     config = await get_config(w.wallet.user)
+    assert config
 
     if not addresses:
         await create_fresh_addresses(wallet_id, 0, config.receive_gap_limit)
@@ -229,10 +230,8 @@ async def api_get_addresses(wallet_id, w: WalletTypeInfo = Depends(get_key_type)
 #############################PSBT##########################
 
 
-@watchonly_ext.post("/api/v1/psbt")
-async def api_psbt_create(
-    data: CreatePsbt, w: WalletTypeInfo = Depends(require_admin_key)
-):
+@watchonly_ext.post("/api/v1/psbt", dependencies=[Depends(require_admin_key)])
+async def api_psbt_create(data: CreatePsbt):
     try:
         vin = [
             TransactionInput(bytes.fromhex(inp.tx_id), inp.vout) for inp in data.inputs
@@ -246,7 +245,7 @@ async def api_psbt_create(
         for _, masterpub in enumerate(data.masterpubs):
             descriptors[masterpub.id] = parse_key(masterpub.public_key)
 
-        inputs_extra = []
+        inputs_extra: List[dict] = []
 
         for i, inp in enumerate(data.inputs):
             bip32_derivations = {}
@@ -266,14 +265,15 @@ async def api_psbt_create(
         tx = Transaction(vin=vin, vout=vout)
         psbt = PSBT(tx)
 
-        for i, inp in enumerate(inputs_extra):
-            psbt.inputs[i].bip32_derivations = inp["bip32_derivations"]
-            psbt.inputs[i].non_witness_utxo = inp.get("non_witness_utxo", None)
+        for i, inp_extra in enumerate(inputs_extra):
+            psbt.inputs[i].bip32_derivations = inp_extra["bip32_derivations"]
+            psbt.inputs[i].non_witness_utxo = inp_extra.get("non_witness_utxo", None)
 
         outputs_extra = []
         bip32_derivations = {}
         for i, out in enumerate(data.outputs):
             if out.branch_index == 1:
+                assert out.wallet
                 descriptor = descriptors[out.wallet][0]
                 d = descriptor.derive(out.address_index, out.branch_index)
                 for k in d.keys:
@@ -282,8 +282,8 @@ async def api_psbt_create(
                     )
                 outputs_extra.append({"bip32_derivations": bip32_derivations})
 
-        for i, out in enumerate(outputs_extra):
-            psbt.outputs[i].bip32_derivations = out["bip32_derivations"]
+        for i, out_extra in enumerate(outputs_extra):
+            psbt.outputs[i].bip32_derivations = out_extra["bip32_derivations"]
 
         return psbt.to_string()
 
@@ -360,7 +360,8 @@ async def api_tx_broadcast(
             else config.mempool_endpoint + "/testnet"
         )
         async with httpx.AsyncClient() as client:
-            r = await client.post(endpoint + "/api/tx", data=data.tx_hex)
+            r = await client.post(endpoint + "/api/tx", content=data.tx_hex)
+            r.raise_for_status()
             tx_id = r.text
             return tx_id
     except Exception as e:
@@ -375,6 +376,7 @@ async def api_update_config(
     data: Config, w: WalletTypeInfo = Depends(require_admin_key)
 ):
     config = await update_config(data, user=w.wallet.user)
+    assert config
     return config.dict()
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 03dbbc8d..b41cff10 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,7 +93,6 @@ exclude = """(?x)(
     | ^lnbits/extensions/boltz.
     | ^lnbits/extensions/livestream.
     | ^lnbits/extensions/lnurldevice.
-    | ^lnbits/extensions/watchonly.
     | ^lnbits/wallets/lnd_grpc_files.
 )"""