Power series doesn't work with the tuple

[sagetrac-dangtuanhiep]

sage: PS = ZZ[['t']]
sage: PS( [1,2,3,4] )
1 + 2*t + 3*t^2 + 4*t^3
sage: PS( (1,2,3,4) )
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
....

TypeError: unable to coerce <type 'tuple'> to an integer

CC: @burcin

Component: commutative algebra

Keywords: sd34

Issue created by migration from https://trac.sagemath.org/ticket/11858

[sagetrac-dangtuanhiep]

Description changed:

--- 
+++ 
@@ -1,4 +1,4 @@
-sage: PS = ZZ[['t']]
+[[Image(sage: PS = ZZ[['t']]
 sage: PS( [1,2,3,4] )
 1 + 2*t + 3*t^2 + 4*t^3
 sage: PS( (1,2,3,4) )
@@ -8,4 +8,4 @@
 ....
 
 TypeError: unable to coerce <type 'tuple'> to an integer
-
+)]]

[sagetrac-dangtuanhiep]

Description changed:

--- 
+++ 
@@ -1,11 +1,12 @@
-[[Image(sage: PS = ZZ[['t']]
+
+```
+sage: PS = ZZ[['t']]
 sage: PS( [1,2,3,4] )
 1 + 2*t + 3*t^2 + 4*t^3
 sage: PS( (1,2,3,4) )
-
----
+---------------------------------------------------------------------------
 TypeError                                 Traceback (most recent call last)
 ....
 
 TypeError: unable to coerce <type 'tuple'> to an integer
-)]]
+```

[sagetrac-dangtuanhiep]

Changed author from Hiep Dang, Burcin Erocal to none