diff --git a/src/sage/schemes/elliptic_curves/mod_poly.py b/src/sage/schemes/elliptic_curves/mod_poly.py
index cb8cd703f69..21926e14c8e 100644
--- a/src/sage/schemes/elliptic_curves/mod_poly.py
+++ b/src/sage/schemes/elliptic_curves/mod_poly.py
@@ -24,6 +24,7 @@
 _cache_bound = 100
 _cache = dict()
 
+
 def classical_modular_polynomial(l, j=None):
     r"""
     Return the classical modular polynomial `\Phi_\ell`, either as a
@@ -143,6 +144,7 @@ def classical_modular_polynomial(l, j=None):
     # and simply evaluating it.
     return classical_modular_polynomial(l)(j, Y)
 
+
 def _set_cache_bound(bnd):
     r"""
     Internal helper function to allow setting the caching cutoff for
@@ -164,4 +166,5 @@ def _set_cache_bound(bnd):
     global _cache_bound
     _cache_bound = bnd
 
+
 classical_modular_polynomial.set_cache_bound = _set_cache_bound