TypeError: 'method' object is not subscriptable

[Pmica]

I have loaded data in via Blomberg api function for 2 assets and renamed the columns to Strategy and Benchmark. When i try and run the following code on the dataframe : qs.plots.snapshot(df, title='Performance', show=True)

I get the below error, any help welcome TIA

---

TypeError Traceback (most recent call last)
Cell In[34], line 1
----> 1 qs.plots.snapshot(df, title='Performance', show=True)

File ~\AppData\Local\anaconda3\Lib\site-packages\quantstats_plotting\wrappers.py:133, in snapshot(returns, grayscale, figsize, title, fontname, lw, mode, subtitle, savefig, show, log_scale, **kwargs)
128 if subtitle:
129 if isinstance(returns, _pd.Series):
130 axes[0].set_title(
131 "%s - %s ; Sharpe: %.2f \n"
132 % (
--> 133 returns.index.date[:1][0].strftime("%e %b '%y"),
134 returns.index.date[-1:][0].strftime("%e %b '%y"),
135 _stats.sharpe(returns),
136 ),
137 fontsize=12,
138 color="gray",
139 )
140 elif isinstance(returns, _pd.DataFrame):
141 axes[0].set_title(
142 "\n%s - %s ; "
143 % (
(...)
148 color="gray",
149 )

TypeError: 'method' object is not subscriptable