Add some missing imports

hy/core/bootstrap.hy

@@ -41,6 +41,7 @@
                   (if ~@(cut args 2))))))
 
 (defmacro deftag [tag-name lambda-list &rest body]
+  (import hy.models)
   (if (and (not (isinstance tag-name hy.models.HySymbol))
            (not (isinstance tag-name hy.models.HyString)))
       (raise (hy.errors.HyTypeError

tests/native_tests/quote.hy

@@ -2,7 +2,7 @@
 ;; This file is part of Hy, which is free software licensed under the Expat
 ;; license. See the LICENSE.
 
-(import [hy [HyExpression HySymbol HyString HyBytes]])
+(import [hy [HyExpression HySymbol HyString HyBytes HyDict]])
 
 
 (defn test-quote []
@@ -43,7 +43,7 @@
   (assert (= (get q 1) (quote bar)))
   (assert (= (get q 2) (quote baz)))
   (assert (= (get q 3) (quote quux)))
-  (assert (= (type q) hy.HyDict)))
+  (assert (= (type q) HyDict)))
 
 
 (defn test-quote-expr-in-dict []