clean up typing a bit more

src/amazon.py

@@ -18,7 +18,7 @@ class AmazonAccount:
     password: str
 
 
-def get_accounts(env: dict[str, str] = os.environ) -> list[AmazonAccount]:
+def get_accounts(env: os._Environ | dict[str, str] = os.environ) -> list[AmazonAccount]:
     accts = []
     for k, v in env.items():
         if k == 'AMAZON_EMAIL':

src/main.py

@@ -16,6 +16,29 @@ import ai
 import ynab_client
 
 
+@dataclass
+class Context:
+    sync_days: int
+    budget_id: str
+    ynab_token: str
+    amz_accts: list[tuple[str, str]]
+    ynab_client: ynab_client.YnabClient
+
+    def __init__(
+        self,
+        sync_days: int,
+        budget_id: str | None = None,
+        ynab_token: str | None = None,
+    ):
+      self.sync_days = sync_days
+      self.amazon_accts = amazon.get_accounts()
+      self.ynab_client = ynab_client.YnabClient(
+          budget_id=budget_id if budget_id else os.environ['YNAB_BUDGET_ID'],
+          ynab_token=ynab_token if ynab_token else os.environ['YNAB_TOKEN'],
+          sync_days=sync_days,
+      )
+
+
 @dataclass
 class TxCategory:
     category_name: str | None
@@ -31,7 +54,8 @@ def tx_date_diff(amz_tx: Transaction, ynab_tx: TransactionDetail):
 def is_matchable_ynab(tx: TransactionDetail) -> bool:
     return (
         # we only care about amazon transactions
-        'amazon' in tx.payee_name.lower()
+        tx.payee_name is not None
+        and 'amazon' in tx.payee_name.lower()
         # don't categorize them if we already have, or if the user has manually approved
         and tx.flag_color != 'purple'
         and not tx.approved
@@ -85,7 +109,8 @@ def get_tx_categories(
         details = item_details[item.title]
         by_category[details.category].append(item)
 
-    subtotal = sum(i.price for i in order.items)
+    # we have already ensured that order details are fully populated, so i.price should not be None
+    subtotal = sum(i.price for i in order.items) # type: ignore
     tx_categories = []
     for category_name, items in by_category.items():
         category_total = 0
@@ -143,29 +168,6 @@ def build_tx_update(
     )
 
 
-@dataclass
-class Context:
-    sync_days: int
-    budget_id: str
-    ynab_token: str
-    amz_accts: list[tuple[str, str]]
-    ynab_client: ynab_client.YnabClient
-
-    def __init__(
-        self,
-        sync_days: int,
-        budget_id: str | None = None,
-        ynab_token: str | None = None,
-    ):
-      self.sync_days = sync_days
-      self.amazon_accts = amazon.get_accounts()
-      self.ynab_client = ynab_client.YnabClient(
-          budget_id=budget_id if budget_id else os.environ['YNAB_BUDGET_ID'],
-          ynab_token=ynab_token if ynab_token else os.environ['YNAB_TOKEN'],
-          sync_days=sync_days,
-      )
-
-
 def sync_account(ctx: Context, acct: AmazonAccount):
     print(f'Syncing transactions from Amazon account: {acct.email}')
     with amazon.Session(acct) as amz: