style: format code with black
diff --git a/erpnext/startup/boot.py b/erpnext/startup/boot.py
index 0da45a5..c3445ab 100644
--- a/erpnext/startup/boot.py
+++ b/erpnext/startup/boot.py
@@ -2,7 +2,6 @@
 # License: GNU General Public License v3. See license.txt"
 
 
-
 import frappe
 from frappe.utils import cint
 
@@ -10,69 +9,72 @@
 def boot_session(bootinfo):
 	"""boot session - send website info if guest"""
 
-	bootinfo.custom_css = frappe.db.get_value('Style Settings', None, 'custom_css') or ''
+	bootinfo.custom_css = frappe.db.get_value("Style Settings", None, "custom_css") or ""
 
-	if frappe.session['user']!='Guest':
+	if frappe.session["user"] != "Guest":
 		update_page_info(bootinfo)
 
 		load_country_and_currency(bootinfo)
-		bootinfo.sysdefaults.territory = frappe.db.get_single_value('Selling Settings',
-			'territory')
-		bootinfo.sysdefaults.customer_group = frappe.db.get_single_value('Selling Settings',
-			'customer_group')
-		bootinfo.sysdefaults.allow_stale = cint(frappe.db.get_single_value('Accounts Settings',
-			'allow_stale'))
-		bootinfo.sysdefaults.quotation_valid_till = cint(frappe.db.get_single_value('CRM Settings',
-			'default_valid_till'))
+		bootinfo.sysdefaults.territory = frappe.db.get_single_value("Selling Settings", "territory")
+		bootinfo.sysdefaults.customer_group = frappe.db.get_single_value(
+			"Selling Settings", "customer_group"
+		)
+		bootinfo.sysdefaults.allow_stale = cint(
+			frappe.db.get_single_value("Accounts Settings", "allow_stale")
+		)
+		bootinfo.sysdefaults.quotation_valid_till = cint(
+			frappe.db.get_single_value("CRM Settings", "default_valid_till")
+		)
 
 		# if no company, show a dialog box to create a new company
 		bootinfo.customer_count = frappe.db.sql("""SELECT count(*) FROM `tabCustomer`""")[0][0]
 
 		if not bootinfo.customer_count:
-			bootinfo.setup_complete = frappe.db.sql("""SELECT `name`
+			bootinfo.setup_complete = (
+				frappe.db.sql(
+					"""SELECT `name`
 				FROM `tabCompany`
-				LIMIT 1""") and 'Yes' or 'No'
+				LIMIT 1"""
+				)
+				and "Yes"
+				or "No"
+			)
 
-		bootinfo.docs += frappe.db.sql("""select name, default_currency, cost_center, default_selling_terms, default_buying_terms,
+		bootinfo.docs += frappe.db.sql(
+			"""select name, default_currency, cost_center, default_selling_terms, default_buying_terms,
 			default_letter_head, default_bank_account, enable_perpetual_inventory, country from `tabCompany`""",
-			as_dict=1, update={"doctype":":Company"})
+			as_dict=1,
+			update={"doctype": ":Company"},
+		)
 
-		party_account_types = frappe.db.sql(""" select name, ifnull(account_type, '') from `tabParty Type`""")
+		party_account_types = frappe.db.sql(
+			""" select name, ifnull(account_type, '') from `tabParty Type`"""
+		)
 		bootinfo.party_account_types = frappe._dict(party_account_types)
 
+
 def load_country_and_currency(bootinfo):
 	country = frappe.db.get_default("country")
 	if country and frappe.db.exists("Country", country):
 		bootinfo.docs += [frappe.get_doc("Country", country)]
 
-	bootinfo.docs += frappe.db.sql("""select name, fraction, fraction_units,
+	bootinfo.docs += frappe.db.sql(
+		"""select name, fraction, fraction_units,
 		number_format, smallest_currency_fraction_value, symbol from tabCurrency
-		where enabled=1""", as_dict=1, update={"doctype":":Currency"})
+		where enabled=1""",
+		as_dict=1,
+		update={"doctype": ":Currency"},
+	)
+
 
 def update_page_info(bootinfo):
-	bootinfo.page_info.update({
-		"Chart of Accounts": {
-			"title": "Chart of Accounts",
-			"route": "Tree/Account"
-		},
-		"Chart of Cost Centers": {
-			"title": "Chart of Cost Centers",
-			"route": "Tree/Cost Center"
-		},
-		"Item Group Tree": {
-			"title": "Item Group Tree",
-			"route": "Tree/Item Group"
-		},
-		"Customer Group Tree": {
-			"title": "Customer Group Tree",
-			"route": "Tree/Customer Group"
-		},
-		"Territory Tree": {
-			"title": "Territory Tree",
-			"route": "Tree/Territory"
-		},
-		"Sales Person Tree": {
-			"title": "Sales Person Tree",
-			"route": "Tree/Sales Person"
+	bootinfo.page_info.update(
+		{
+			"Chart of Accounts": {"title": "Chart of Accounts", "route": "Tree/Account"},
+			"Chart of Cost Centers": {"title": "Chart of Cost Centers", "route": "Tree/Cost Center"},
+			"Item Group Tree": {"title": "Item Group Tree", "route": "Tree/Item Group"},
+			"Customer Group Tree": {"title": "Customer Group Tree", "route": "Tree/Customer Group"},
+			"Territory Tree": {"title": "Territory Tree", "route": "Tree/Territory"},
+			"Sales Person Tree": {"title": "Sales Person Tree", "route": "Tree/Sales Person"},
 		}
-	})
+	)