Reenable gr_nf tests

Author: oscarbenjamin

src/flint/types/_gr.pyx

@@ -1205,25 +1205,21 @@ cdef class gr_nf_ctx(gr_scalar_ctx):
     def new(poly) -> gr_nf_ctx:
         """Create a new context for number fields.
 
-        The doctests below are commented out because they crash under WASM:
-
-        https://github.com/flintlib/python-flint/issues/319
-
-        # >>> from flint.types._gr import gr_nf_ctx
-        # >>> Qa = gr_nf_ctx.new([-2, 0, 1])
-        # >>> Qa
-        # gr_nf_ctx(x^2 + (-2))
-        # >>> Qa.modulus()
-        # x^2 + (-2)
-        # >>> a = Qa.gen()
-        # >>> a
-        # a
-        # >>> a**2
-        # 2
-        # >>> (1 + a) ** 2
-        # 2*a+3
-        # >>> (1 + a) / 2
-        # 1/2*a+1/2
+        >>> from flint.types._gr import gr_nf_ctx
+        >>> Qa = gr_nf_ctx.new([-2, 0, 1])
+        >>> Qa
+        gr_nf_ctx(x^2 + (-2))
+        >>> Qa.modulus()
+        x^2 + (-2)
+        >>> a = Qa.gen()
+        >>> a
+        a
+        >>> a**2
+        2
+        >>> (1 + a) ** 2
+        2*a+3
+        >>> (1 + a) / 2
+        1/2*a+1/2
         """
         poly = fmpq_poly(poly)
         return gr_nf_ctx._new(poly)
@@ -1252,23 +1248,19 @@ cdef class gr_nf_fmpz_poly_ctx(gr_scalar_ctx):
     def new(poly) -> gr_nf_fmpz_poly_ctx:
         """Create a new context for number fields.
 
-        The doctests below are commented out because they crash under WASM:
-
-        https://github.com/flintlib/python-flint/issues/319
-
-        # >>> from flint.types._gr import gr_nf_fmpz_poly_ctx
-        # >>> Qa = gr_nf_fmpz_poly_ctx.new([-2, 0, 1])
-        # >>> Qa
-        # gr_nf_fmpz_poly_ctx(x^2 + (-2))
-        # >>> Qa.modulus()
-        # x^2 + (-2)
-        # >>> a = Qa.gen()
-        # >>> a
-        # a
-        # >>> a**2
-        # 2
-        # >>> (1 + a) ** 2
-        # 2*a+3
+        >>> from flint.types._gr import gr_nf_fmpz_poly_ctx
+        >>> Qa = gr_nf_fmpz_poly_ctx.new([-2, 0, 1])
+        >>> Qa
+        gr_nf_fmpz_poly_ctx(x^2 + (-2))
+        >>> Qa.modulus()
+        x^2 + (-2)
+        >>> a = Qa.gen()
+        >>> a
+        a
+        >>> a**2
+        2
+        >>> (1 + a) ** 2
+        2*a+3
         """
         poly = fmpz_poly(poly)
         return gr_nf_fmpz_poly_ctx._new(poly)