pep8speaks: Hello @ritzvik! Thanks for opening this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:

* In the file [`src/einsteinpy/symbolic/tensor.py`](https://github.com/einsteinpy/einsteinpy/blob/15e36d58745239e0ac9c1dddb2a57fac27a8b559/src/einsteinpy/symbolic/tensor.py):

> [Line 47:81](https://github.com/einsteinpy/einsteinpy/blob/15e36d58745239e0ac9c1dddb2a57fac27a8b559/src/einsteinpy/symbolic/tensor.py#L47): [E501](https://duckduckgo.com/?q=pep8%20E501) line too long (96 > 80 characters)
> [Line 53:81](https://github.com/einsteinpy/einsteinpy/blob/15e36d58745239e0ac9c1dddb2a57fac27a8b559/src/einsteinpy/symbolic/tensor.py#L53): [E501](https://duckduckgo.com/?q=pep8%20E501) line too long (115 > 80 characters)




codecov[bot]: # [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=h1) Report
> Merging [#258](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=desc) into [master](https://codecov.io/gh/einsteinpy/einsteinpy/commit/03bad7d40d39bc43a00d10fe7d34592de7f9afc9?src=pr&el=desc) will **increase** coverage by `0.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/graphs/tree.svg?width=650&token=H3oDVYA11f&height=150&src=pr)](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master     #258      +/-   ##
==========================================
+ Coverage   94.14%   94.15%   +0.01%     
==========================================
  Files          28       28              
  Lines        1024     1026       +2     
==========================================
+ Hits          964      966       +2     
  Misses         60       60
```


| [Impacted Files](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/einsteinpy/symbolic/tensor.py](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/diff?src=pr&el=tree#diff-c3JjL2VpbnN0ZWlucHkvc3ltYm9saWMvdGVuc29yLnB5) | `100% <100%> (ø)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=footer). Last update [03bad7d...ba947e8](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).

codecov[bot]: # [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=h1) Report
> Merging [#258](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=desc) into [master](https://codecov.io/gh/einsteinpy/einsteinpy/commit/03bad7d40d39bc43a00d10fe7d34592de7f9afc9?src=pr&el=desc) will **increase** coverage by `0.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/graphs/tree.svg?width=650&token=H3oDVYA11f&height=150&src=pr)](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master     #258      +/-   ##
==========================================
+ Coverage   94.14%   94.15%   +0.01%     
==========================================
  Files          28       28              
  Lines        1024     1026       +2     
==========================================
+ Hits          964      966       +2     
  Misses         60       60
```


| [Impacted Files](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/einsteinpy/symbolic/tensor.py](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/diff?src=pr&el=tree#diff-c3JjL2VpbnN0ZWlucHkvc3ltYm9saWMvdGVuc29yLnB5) | `100% <100%> (ø)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=footer). Last update [03bad7d...ba947e8](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).

codecov[bot]: # [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=h1) Report
> Merging [#258](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=desc) into [master](https://codecov.io/gh/einsteinpy/einsteinpy/commit/03bad7d40d39bc43a00d10fe7d34592de7f9afc9?src=pr&el=desc) will **increase** coverage by `0.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/graphs/tree.svg?width=650&token=H3oDVYA11f&height=150&src=pr)](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master     #258      +/-   ##
==========================================
+ Coverage   94.14%   94.15%   +0.01%     
==========================================
  Files          28       28              
  Lines        1024     1026       +2     
==========================================
+ Hits          964      966       +2     
  Misses         60       60
```


| [Impacted Files](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/einsteinpy/symbolic/tensor.py](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/diff?src=pr&el=tree#diff-c3JjL2VpbnN0ZWlucHkvc3ltYm9saWMvdGVuc29yLnB5) | `100% <100%> (ø)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=footer). Last update [03bad7d...ba947e8](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).

codecov[bot]: # [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=h1) Report
> Merging [#258](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=desc) into [master](https://codecov.io/gh/einsteinpy/einsteinpy/commit/03bad7d40d39bc43a00d10fe7d34592de7f9afc9?src=pr&el=desc) will **increase** coverage by `0.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/graphs/tree.svg?width=650&token=H3oDVYA11f&height=150&src=pr)](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master     #258      +/-   ##
==========================================
+ Coverage   94.14%   94.15%   +0.01%     
==========================================
  Files          28       28              
  Lines        1024     1026       +2     
==========================================
+ Hits          964      966       +2     
  Misses         60       60
```


| [Impacted Files](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/einsteinpy/symbolic/tensor.py](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258/diff?src=pr&el=tree#diff-c3JjL2VpbnN0ZWlucHkvc3ltYm9saWMvdGVuc29yLnB5) | `100% <100%> (ø)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=footer). Last update [03bad7d...ba947e8](https://codecov.io/gh/einsteinpy/einsteinpy/pull/258?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).

diff --git a/docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb b/docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb
index 1af3a91..e3c163b 100644
--- a/docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb
+++ b/docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb
@@ -284,6 +284,81 @@
    "cell_type": "code",
    "execution_count": 8,
    "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/latex": [
+       "$$\\left[\\begin{matrix}1 & 0 & 0 & 0\\\\0 & - \\frac{1}{c^{2}} & 0 & 0\\\\0 & 0 & - \\frac{r^{2}}{c^{2}} & 0\\\\0 & 0 & 0 & - \\frac{r^{2} \\sin^{2}{\\left (\\theta \\right )}}{c^{2}}\\end{matrix}\\right]$$"
+      ],
+      "text/plain": [
+       "⎡1   0    0         0      ⎤\n",
+       "⎢                          ⎥\n",
+       "⎢   -1                     ⎥\n",
+       "⎢0  ───   0         0      ⎥\n",
+       "⎢     2                    ⎥\n",
+       "⎢    c                     ⎥\n",
+       "⎢                          ⎥\n",
+       "⎢          2               ⎥\n",
+       "⎢        -r                ⎥\n",
+       "⎢0   0   ────       0      ⎥\n",
+       "⎢          2               ⎥\n",
+       "⎢         c                ⎥\n",
+       "⎢                          ⎥\n",
+       "⎢                2    2    ⎥\n",
+       "⎢              -r ⋅sin (θ) ⎥\n",
+       "⎢0   0    0    ────────────⎥\n",
+       "⎢                    2     ⎥\n",
+       "⎣                   c      ⎦"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# single substitution\n",
+    "subs1 = sch.subs(a,0)\n",
+    "subs1.tensor()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/latex": [
+       "$$\\left[\\begin{matrix}1 & 0 & 0 & 0\\\\0 & -1 & 0 & 0\\\\0 & 0 & - r^{2} & 0\\\\0 & 0 & 0 & - r^{2} \\sin^{2}{\\left (\\theta \\right )}\\end{matrix}\\right]$$"
+      ],
+      "text/plain": [
+       "⎡1  0    0        0     ⎤\n",
+       "⎢                       ⎥\n",
+       "⎢0  -1   0        0     ⎥\n",
+       "⎢                       ⎥\n",
+       "⎢         2             ⎥\n",
+       "⎢0  0   -r        0     ⎥\n",
+       "⎢                       ⎥\n",
+       "⎢              2    2   ⎥\n",
+       "⎣0  0    0   -r ⋅sin (θ)⎦"
+      ]
+     },
+     "execution_count": 9,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# multiple substitution\n",
+    "subs2 = sch.subs([(a,0), (c,1)])\n",
+    "subs2.tensor()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -355,7 +430,7 @@
        "    ⎦"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 10,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -374,7 +449,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 11,
    "metadata": {
     "scrolled": false
    },
@@ -416,7 +491,7 @@
        "r)⋅sin (θ)⎦  ⎣             2     ⎦  ⎣   r  tan(θ)        ⎦⎦"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 11,
      "metadata": {},
      "output_type": "execute_result"
     }
diff --git a/src/einsteinpy/symbolic/tensor.py b/src/einsteinpy/symbolic/tensor.py
index 053293a..3d88aba 100644
--- a/src/einsteinpy/symbolic/tensor.py
+++ b/src/einsteinpy/symbolic/tensor.py
@@ -42,6 +42,24 @@ class Tensor:
         """
         return self.arr
 
+    def subs(self, *args):
+        """
+        Substitute the variables/expressions in a Tensor with other sympy variables/expressions.
+
+        Parameters
+        ----------
+        args : one argument or two argument
+            - two arguments, e.g foo.subs(old, new)
+            - one iterable argument, e.g foo.subs([(old1, new1), (old2, new2)]) for multiple substitutions at once.
+
+        Returns
+        -------
+        ~einsteinpy.symbolic.tensor.Tensor:
+            Tensor with substituted values
+
+        """
+        return Tensor(self.tensor().subs(*args))
+
     def simplify(self):
         """
         Returns a simplified Tensor

Support substitution of variables in Tensor (symbolic module)
🐞 **Problem**
  - The title is self explanatory

📋  **Steps to solve the problem**

 * Comment below about what you've started working on.
 * Add, commit, push your changes
 * Submit a pull request and add this in comments - `Addresses #<put issue number here>`
 * Ask for a review in comments section of pull request
 * Celebrate your contribution to this project 🎉

diff --git a/src/einsteinpy/tests/test_symbolic/test_tensor.py b/src/einsteinpy/tests/test_symbolic/test_tensor.py
index 12239e3..fe650c7 100644
--- a/src/einsteinpy/tests/test_symbolic/test_tensor.py
+++ b/src/einsteinpy/tests/test_symbolic/test_tensor.py
@@ -1,8 +1,24 @@
-from sympy import Array, cos, sin, symbols
+import numpy as np
+from sympy import Array, cos, simplify, sin, symbols
 
 from einsteinpy.symbolic.tensor import Tensor
 
 
+def schwarzschild_tensor():
+    symbolstr = "t r theta phi"
+    syms = symbols(symbolstr)
+    G, M, c, a = symbols("G M c a")
+    # using metric values of schwarschild space-time
+    # a is schwarzschild radius
+    list2d = np.zeros((4, 4), dtype=int).tolist()
+    list2d[0][0] = 1 - (a / syms[1])
+    list2d[1][1] = -1 / ((1 - (a / syms[1])) * (c ** 2))
+    list2d[2][2] = -1 * (syms[1] ** 2) / (c ** 2)
+    list2d[3][3] = -1 * (syms[1] ** 2) * (sin(syms[2]) ** 2) / (c ** 2)
+    sch = Tensor(list2d)
+    return sch
+
+
 def test_Tensor():
     x, y, z = symbols("x y z")
     test_list = [[[x, y], [y, sin(2 * z) - 2 * sin(z) * cos(z)]], [[z ** 2, x], [y, z]]]
@@ -21,3 +37,22 @@ def test_TypeError():
         assert False
     except TypeError:
         assert True
+
+
+def test_subs_single():
+    # replacing only schwarzschild radius(a) with 0
+    T = schwarzschild_tensor()
+    a, c = symbols("a c")
+    test_arr = T.subs(a, 0)
+    assert simplify(test_arr.arr[0, 0] - 1) == 0
+    assert simplify(test_arr.arr[1, 1] - (-1 / c ** 2)) == 0
+
+
+def test_subs_multiple():
+    # replacing a with 0, c with 1
+    # this should give a metric for spherical coordinates
+    T = schwarzschild_tensor()
+    a, c = symbols("a c")
+    test_arr = T.subs([(a, 0), (c, 1)])
+    assert simplify(test_arr.arr[0, 0] - 1) == 0
+    assert simplify(test_arr.arr[1, 1] - (-1)) == 0

pip install -e .[dev]
parse_log_pytest
pytest
pytest
apt-get update apt-get install -y gcc
3.6
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
alabaster==0.7.13
argon2-cffi==21.3.0
argon2-cffi-bindings==21.2.0
astropy==4.1
async-generator==1.10
attrs @ file:///opt/conda/conda-bld/attrs_1642510447205/work
Babel==2.11.0
backcall==0.2.0
black==22.8.0
bleach==4.1.0
certifi==2021.5.30
cffi==1.15.1
charset-normalizer==2.0.12
click==8.0.4
comm==0.1.4
coverage==6.2
cycler==0.11.0
dataclasses==0.8
decorator==5.1.1
defusedxml==0.7.1
distlib==0.3.9
docutils==0.18.1
-e git+https://github.com/einsteinpy/einsteinpy.git@e869ea7a87b2c182adc0e7363db2c5983985e12e#egg=einsteinpy
entrypoints==0.4
execnet==1.9.0
filelock==3.4.1
idna==3.10
imagesize==1.4.1
importlib-metadata==4.8.3
importlib-resources==5.4.0
iniconfig @ file:///home/linux1/recipes/ci/iniconfig_1610983019677/work
ipykernel==5.5.6
ipython==7.16.3
ipython-genutils==0.2.0
ipywidgets==7.8.5
isort==5.10.1
jedi==0.17.2
Jinja2==3.0.3
jsonschema==3.2.0
jupyter-client==7.1.2
jupyter-core==4.9.2
jupyterlab-pygments==0.1.2
jupyterlab_widgets==1.1.11
kiwisolver==1.3.1
llvmlite==0.36.0
MarkupSafe==2.0.1
matplotlib==3.3.4
mistune==0.8.4
more-itertools @ file:///tmp/build/80754af9/more-itertools_1637733554872/work
mpmath==1.3.0
mypy-extensions==1.0.0
nbclient==0.5.9
nbconvert==6.0.7
nbformat==5.1.3
nbsphinx==0.8.8
nest-asyncio==1.6.0
notebook==6.4.10
numba==0.53.1
numpy==1.19.5
packaging @ file:///tmp/build/80754af9/packaging_1637314298585/work
pandocfilters==1.5.1
parso==0.7.1
pathspec==0.9.0
pexpect==4.9.0
pickleshare==0.7.5
Pillow==8.4.0
platformdirs==2.4.0
plotly==3.10.0
pluggy @ file:///tmp/build/80754af9/pluggy_1615976315926/work
prometheus-client==0.17.1
prompt-toolkit==3.0.36
ptyprocess==0.7.0
py @ file:///opt/conda/conda-bld/py_1644396412707/work
pycodestyle==2.10.0
pycparser==2.21
Pygments==2.14.0
pyparsing @ file:///tmp/build/80754af9/pyparsing_1635766073266/work
pyrsistent==0.18.0
pytest==6.2.4
pytest-cov==2.5.1
pytest-xdist==3.0.2
python-dateutil==2.9.0.post0
pytz==2025.2
pyzmq==25.1.2
requests==2.27.1
retrying==1.3.4
scipy==1.5.4
Send2Trash==1.8.3
six==1.17.0
snowballstemmer==2.2.0
Sphinx==5.3.0
sphinxcontrib-applehelp==1.0.2
sphinxcontrib-devhelp==1.0.2
sphinxcontrib-htmlhelp==2.0.0
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.3
sphinxcontrib-serializinghtml==1.1.5
sympy==1.9
terminado==0.12.1
testpath==0.6.0
toml @ file:///tmp/build/80754af9/toml_1616166611790/work
tomli==1.2.3
tornado==6.1
tox==3.28.0
traitlets==4.3.3
typed-ast==1.5.5
typing_extensions @ file:///opt/conda/conda-bld/typing_extensions_1647553014482/work
urllib3==1.26.20
virtualenv==20.17.1
wcwidth==0.2.13
webencodings==0.5.1
widgetsnbextension==3.6.10
zipp @ file:///tmp/build/80754af9/zipp_1633618647012/work

name: einsteinpy
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - attrs=21.4.0=pyhd3eb1b0_0
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2021.5.30=py36h06a4308_0
  - importlib_metadata=4.8.1=hd3eb1b0_0
  - iniconfig=1.1.1=pyhd3eb1b0_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.3=he6710b0_2
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - more-itertools=8.12.0=pyhd3eb1b0_0
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - packaging=21.3=pyhd3eb1b0_0
  - pip=21.2.2=py36h06a4308_0
  - pluggy=0.13.1=py36h06a4308_0
  - py=1.11.0=pyhd3eb1b0_0
  - pyparsing=3.0.4=pyhd3eb1b0_0
  - pytest=6.2.4=py36h06a4308_2
  - python=3.6.13=h12debd9_1
  - readline=8.2=h5eee18b_0
  - setuptools=58.0.4=py36h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - toml=0.10.2=pyhd3eb1b0_0
  - typing_extensions=4.1.1=pyh06a4308_0
  - wheel=0.37.1=pyhd3eb1b0_0
  - xz=5.6.4=h5eee18b_1
  - zipp=3.6.0=pyhd3eb1b0_0
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - alabaster==0.7.13
      - argon2-cffi==21.3.0
      - argon2-cffi-bindings==21.2.0
      - astropy==4.1
      - async-generator==1.10
      - babel==2.11.0
      - backcall==0.2.0
      - black==22.8.0
      - bleach==4.1.0
      - cffi==1.15.1
      - charset-normalizer==2.0.12
      - click==8.0.4
      - comm==0.1.4
      - coverage==6.2
      - cycler==0.11.0
      - dataclasses==0.8
      - decorator==5.1.1
      - defusedxml==0.7.1
      - distlib==0.3.9
      - docutils==0.18.1
      - entrypoints==0.4
      - execnet==1.9.0
      - filelock==3.4.1
      - idna==3.10
      - imagesize==1.4.1
      - importlib-metadata==4.8.3
      - importlib-resources==5.4.0
      - ipykernel==5.5.6
      - ipython==7.16.3
      - ipython-genutils==0.2.0
      - ipywidgets==7.8.5
      - isort==5.10.1
      - jedi==0.17.2
      - jinja2==3.0.3
      - jsonschema==3.2.0
      - jupyter-client==7.1.2
      - jupyter-core==4.9.2
      - jupyterlab-pygments==0.1.2
      - jupyterlab-widgets==1.1.11
      - kiwisolver==1.3.1
      - llvmlite==0.36.0
      - markupsafe==2.0.1
      - matplotlib==3.3.4
      - mistune==0.8.4
      - mpmath==1.3.0
      - mypy-extensions==1.0.0
      - nbclient==0.5.9
      - nbconvert==6.0.7
      - nbformat==5.1.3
      - nbsphinx==0.8.8
      - nest-asyncio==1.6.0
      - notebook==6.4.10
      - numba==0.53.1
      - numpy==1.19.5
      - pandocfilters==1.5.1
      - parso==0.7.1
      - pathspec==0.9.0
      - pexpect==4.9.0
      - pickleshare==0.7.5
      - pillow==8.4.0
      - platformdirs==2.4.0
      - plotly==3.10.0
      - prometheus-client==0.17.1
      - prompt-toolkit==3.0.36
      - ptyprocess==0.7.0
      - pycodestyle==2.10.0
      - pycparser==2.21
      - pygments==2.14.0
      - pyrsistent==0.18.0
      - pytest-cov==2.5.1
      - pytest-xdist==3.0.2
      - python-dateutil==2.9.0.post0
      - pytz==2025.2
      - pyzmq==25.1.2
      - requests==2.27.1
      - retrying==1.3.4
      - scipy==1.5.4
      - send2trash==1.8.3
      - six==1.17.0
      - snowballstemmer==2.2.0
      - sphinx==5.3.0
      - sphinxcontrib-applehelp==1.0.2
      - sphinxcontrib-devhelp==1.0.2
      - sphinxcontrib-htmlhelp==2.0.0
      - sphinxcontrib-jsmath==1.0.1
      - sphinxcontrib-qthelp==1.0.3
      - sphinxcontrib-serializinghtml==1.1.5
      - sympy==1.9
      - terminado==0.12.1
      - testpath==0.6.0
      - tomli==1.2.3
      - tornado==6.1
      - tox==3.28.0
      - traitlets==4.3.3
      - typed-ast==1.5.5
      - urllib3==1.26.20
      - virtualenv==20.17.1
      - wcwidth==0.2.13
      - webencodings==0.5.1
      - widgetsnbextension==3.6.10
prefix: /opt/conda/envs/einsteinpy

src/einsteinpy/tests/test_symbolic/test_tensor.py::test_subs_single src/einsteinpy/tests/test_symbolic/test_tensor.py::test_subs_multiple
src/einsteinpy/tests/test_symbolic/test_tensor.py::test_Tensor src/einsteinpy/tests/test_symbolic/test_tensor.py::test_TypeError
docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb src/einsteinpy/symbolic/tensor.py
docs/source/examples/Symbolically_Understanding_Christoffel_Symbol_and_Riemann_Curvature_Tensor_using_EinsteinPy.ipynb src/einsteinpy/symbolic/tensor.py