diff --git a/common/pybindings.cc b/common/pybindings.cc
index 3b2a3744..51da00e9 100644
--- a/common/pybindings.cc
+++ b/common/pybindings.cc
@@ -129,6 +129,15 @@ BOOST_PYTHON_MODULE(MODULE_NAME)
             .value("PORT_INOUT", PORT_INOUT)
             .export_values();
 
+    enum_<PlaceStrength>("PlaceStrength")
+            .value("STRENGTH_NONE", STRENGTH_NONE)
+            .value("STRENGTH_WEAK", STRENGTH_WEAK)
+            .value("STRENGTH_STRONG", STRENGTH_STRONG)
+            .value("STRENGTH_FIXED", STRENGTH_FIXED)
+            .value("STRENGTH_LOCKED", STRENGTH_LOCKED)
+            .value("STRENGTH_USER", STRENGTH_USER)
+            .export_values();
+
     typedef std::unordered_map<IdString, Property> AttrMap;
     typedef std::unordered_map<IdString, PortInfo> PortMap;
     typedef std::unordered_map<IdString, IdString> IdIdMap;
diff --git a/common/pywrappers.h b/common/pywrappers.h
index 1d970985..d50af4c3 100644
--- a/common/pywrappers.h
+++ b/common/pywrappers.h
@@ -274,7 +274,7 @@ template <typename Class, typename FuncT, FuncT fn, typename arg1_conv> struct f
     }
 };
 
-// Two parameters, one return
+// Two parameters, no return
 template <typename Class, typename FuncT, FuncT fn, typename arg1_conv, typename arg2_conv> struct fn_wrapper_2a_v
 {
     using class_type = typename WrapIfNotContext<Class>::maybe_wrapped_t;
diff --git a/ecp5/arch_pybindings.cc b/ecp5/arch_pybindings.cc
index cd5e31c3..951745af 100644
--- a/ecp5/arch_pybindings.cc
+++ b/ecp5/arch_pybindings.cc
@@ -46,6 +46,9 @@ void arch_wrap_python()
                            .def("place", &Context::place)
                            .def("route", &Context::route);
 
+    fn_wrapper_2a<Context, decltype(&Context::isValidBelForCell), &Context::isValidBelForCell, pass_through<bool>,
+                  addr_and_unwrap<CellInfo>, conv_from_str<BelId>>::def_wrap(ctx_cls, "isValidBelForCell");
+
     typedef std::unordered_map<IdString, std::unique_ptr<CellInfo>> CellMap;
     typedef std::unordered_map<IdString, std::unique_ptr<NetInfo>> NetMap;
     typedef std::unordered_map<IdString, IdString> AliasMap;