From bf4d4f046e1dbf9e94bb060d6fcfd969cfc87ce2 Mon Sep 17 00:00:00 2001
From: ran <ran@aroussi.com>
Date: Tue, 5 Jan 2021 21:29:53 +0000
Subject: [PATCH] fix issue #58

---
 quantstats/reports.py | 4 +++-
 quantstats/utils.py   | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/quantstats/reports.py b/quantstats/reports.py
index 0d30c86..5e5dcfb 100644
--- a/quantstats/reports.py
+++ b/quantstats/reports.py
@@ -284,7 +284,9 @@ def metrics(returns, benchmark=None, rf=0., display=True,
                              "but a multi-column DataFrame was passed")
 
     blank = ['']
-    df = _pd.DataFrame({"returns": _utils._prepare_returns(returns, rf)})
+    df = _utils._prepare_returns(returns, rf)
+    df.columns = ["returns"]
+
     if benchmark is not None:
         blank = ['', '']
         df["benchmark"] = _utils._prepare_benchmark(
diff --git a/quantstats/utils.py b/quantstats/utils.py
index 7be298d..134c69f 100644
--- a/quantstats/utils.py
+++ b/quantstats/utils.py
@@ -173,6 +173,9 @@ def to_excess_returns(returns, rf, nperiods=None):
     Returns:
         * excess_returns (Series, DataFrame): Returns - rf
     """
+    if isinstance(rf, int):
+        rf = float(rf)
+
     if not isinstance(rf, float):
         rf = rf[rf.index.isin(returns.index)]