rename l_function method name

pyproject.toml

@@ -53,12 +53,8 @@ build-backend = "mesonpy"
 # E741 ambiguous variable name
 # Reasoning: many places it makes sense to use l or other letters as variable
 #            names as it is standard in mathematical notation.
-#
-# E743 ambiguous function definition
-# Reasoning: this is a work in progress and will be enforced after #210 is
-#            resolved.
 max-line-length = 120
-ignore = ['E129','E501','E741','E743']
+ignore = ['E129','E501','E741']
 exclude = 'src/flint/flintlib/functions.*'
 
 [tool.spin]

src/flint/types/dirichlet.pyx

@@ -170,17 +170,17 @@ cdef class dirichlet_char(object):
         else:
             return fmpz(v)
 
-    def l(self, s):
+    def l_function(self, s):
         """
         Evaluates the Dirichlet L-function of this character at the given
         complex number s.
 
             >>> from flint import showgood
             >>> chi = dirichlet_char(1, 1)
-            >>> showgood(lambda: chi.l(2), dps=25)
+            >>> showgood(lambda: chi.l_function(2), dps=25)
             1.644934066848226436472415
             >>> chi = dirichlet_char(7, 3)
-            >>> showgood(lambda: chi.l(2+3j), dps=25)
+            >>> showgood(lambda: chi.l_function(2+3j), dps=25)
             1.273313649440490751755284 - 0.07432329442559421607102118j
 
         """
@@ -190,6 +190,13 @@ cdef class dirichlet_char(object):
         acb_dirichlet_l((<acb>v).val, (<acb>s).val, self.G.val, self.val, getprec())
         return v
 
+    # For backwards compatibility we allow self.l(s) see Issue #210
+    def l(self, s):  # no-cython-lint
+        """
+        Alias for :meth:`l_function`
+        """
+        return self.l_function(s)
+
     def hardy_z(self, s):
         """
         Evaluates the Hardy Z-function of this character at the given