From 616ccaeea85d0980361a9c9aad601199175c19d4 Mon Sep 17 00:00:00 2001
From: Benedikt Kloss <bene.kloss@gmail.com>
Date: Thu, 1 Feb 2024 11:42:19 -0500
Subject: [PATCH] Deleted some comments and unnecessary type restrictions.

---
 src/treetensornetworks/projttns/abstractprojttn.jl | 4 ++--
 src/treetensornetworks/projttns/projttnsum.jl      | 1 -
 src/treetensornetworks/solvers/contract.jl         | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/treetensornetworks/projttns/abstractprojttn.jl b/src/treetensornetworks/projttns/abstractprojttn.jl
index 7978d180..45808685 100644
--- a/src/treetensornetworks/projttns/abstractprojttn.jl
+++ b/src/treetensornetworks/projttns/abstractprojttn.jl
@@ -88,7 +88,7 @@ function contract(P::AbstractProjTTN, v::ITensor)::ITensor
   return Hv
 end
 
-function contract(P::AbstractProjTTN)::ITensor
+function contract(P::AbstractProjTTN)
   return error("Not implemented")
 end
 
@@ -109,7 +109,7 @@ function product(P::AbstractProjTTN, v::ITensor)::ITensor
   return noprime(Pv)
 end
 
-function product(P::AbstractProjTTN)::ITensor
+function product(P::AbstractProjTTN)
   return error("Not implemented")
 end
 
diff --git a/src/treetensornetworks/projttns/projttnsum.jl b/src/treetensornetworks/projttns/projttnsum.jl
index 6cda6244..4906e34a 100644
--- a/src/treetensornetworks/projttns/projttnsum.jl
+++ b/src/treetensornetworks/projttns/projttnsum.jl
@@ -13,7 +13,6 @@ terms(P::ProjTTNSum) = P.terms
 
 copy(P::ProjTTNSum) = ProjTTNSum(copy.(terms(P)))
 
-#ToDo: Should we get rid of this one as well?
 ProjTTNSum(ttnos::Vector{<:TTN}) = ProjTTNSum([ProjTTN(M) for M in ttnos])
 
 on_edge(P::ProjTTNSum) = on_edge(terms(P)[1])
diff --git a/src/treetensornetworks/solvers/contract.jl b/src/treetensornetworks/solvers/contract.jl
index a4f10b04..1a0c184a 100644
--- a/src/treetensornetworks/solvers/contract.jl
+++ b/src/treetensornetworks/solvers/contract.jl
@@ -6,7 +6,7 @@ function contract(
   init=random_ttn(
     flatten_external_indsnetwork(first(tn1s), first(tn2s));
     link_space=trivial_space(first(tn1s)),
-  ),  ##not generic yet
+  ),
   nsweeps=1,
   nsites=2, # used to be default of call to default_sweep_regions
   updater_kwargs=(;),